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You might have heard that the latest MacBooks are a hot item. Literally. The controversy surrounding CPU thermal throttling in recent MacBooks may have cooled down, but there are probably more than a few still asking what “thermal throttling” is in the first place. Is it a big deal? Does it even affect you? Surprisingly, the answer isn’t black and white. The (rather touchy) topic of MacBook thermal throttling requires a slightly deeper look at the inner workings of your laptop to fully understand.

Which MacBooks are affected?

In principle, any MacBook (or really any high-performance laptop) can be affected by thermal throttling under the “right” circumstances. However, some models have been particularly likely to exhibit a case of heatstroke.

Most recently, MacBooks Pro models from both 2023 and 2023 have shown severe throttling issues. In the case of the 2023 MacBook Pro 15-inch and 13-inch (with Touch Bar) models, a now-fixed firmware bug was the culprit. We ran a poll, asking our readers whether Apple should make a thicker MacBook to solve thermal issues in future models. The results were in favor of a chunkier MacBook with more thermal headroom. Unfortunately, the 2023 15-inch MacBook Pro showed that Apple still had to take aggressive measures to keep the temperatures down.

In this case, however, it wasn’t throttling, but a lowered voltage from the factory, which indicates that the core problem of limited thermal headroom is still stalking the MacBook Pro line. This may very well be one of the main reasons Apple is strongly moving towards using its own cool-running ARM processors instead.

What causes a MacBook to thermal throttle?

Energy in the form of electricity is the magic that makes a computer work, but the byproduct of doing work with that energy is heat. Some portion of the electricity your CPU uses to do all those calculations is wasted and heats everything up. This is a bad thing because there’s a temperature range within which the circuitry works properly and, of course, very high temperatures where the materials that make up the CPU itself could be damaged.

The manufacturer specifies a temperature range that should never be exceeded if you want your CPU to last for its full natural lifespan. The exact numbers vary from one CPU model to the next, but every CPU has a limit.

When you ask the CPU to do something that requires most or all of its processing power, heat starts building up rapidly. The cooling system of your MacBook kicks in to move that heat away from the CPU and out of your system. Usually, this cooling system involves a metal heatsink directly attached to the CPU package and a fan system that moves air over that it, so that the built-up energy can be transported into the room instead.

Current MacBook Pro status:

— ؜ (@levelsio) November 1, 2023

If the cooling system is doing its best, but the temperatures keep rising, throttling is next on the list of remedies to stall the road to heat death. When thermal throttling happens, the CPU slows down below its base clock speed to stop short of hitting the maximum temperature specified by the CPU maker. The result is a cooler CPU, but also one that’s slower than it’s meant to be.

How to mitigate MacBook thermal throttling

With the exception of throttling caused by a bug, there are a few things you can do to prevent your MacBook from getting so hot that it needs to give itself a temporary lobotomy to cope.

Give it space to breathe

There needs to be enough airflow around the machine to let it move air through the system. Which means making sure all air vents are clean and unobstructed. Heat also leaves the laptop through the body itself, so it can help to put your MacBook on a stand to optimize how much surface area gets good airflow.

Learn acceptance

In the end, however, thermal throttling may simply be the price one has to pay in exchange for an incredibly thin and light form factor or acceptable fan noise. While a throttled CPU may perform worse than it’s on-paper minimum levels, that lower performance level could still be perfectly adequate in practical day-to-day work. This means that throttling is only a problem when, well, it’s actually a  problem.

Upgrade or change laptops

Finally, your best bet might be to upgrade or change laptops. Our own Jeff Benjamin noted in his look at the 2023 MacBook Pro earlier this year that that particular model tended to keep from throttling a bit better than others:

Although throttling will always play a role in space-constrained laptops, I find that the CPU in the 2023 MacBook Pro stays at or above its base clock speed while under load. Of course, it won’t be able to turbo boost for extended periods of time, but that’s to be expected.

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Iphone 3D Touch, What It Can Do And What It Can’t

What it is ?


To touch upon the sudden name change from ‘Force Touch'(on the Apple watch and Macbooks) to ‘3D Touch’, the speculation behind this shift points to a couple of reasons- ‘3D Touch’ has a better, non-intrusive feel to the name compared to ‘Force Touch’, making it a marketing boon. Another reason could be that Force Touch is a binary standpoint, wherein you either press hard or don’t(logically speaking, there are varying levels of pressure with Force Touch too). 3D Touch, however, also measures how hard you press the display(with greater granularity). Whichever the reason, Apple have made their call and seem content with it.


3D Touch is present in all of Apple’s apps that come preinstalled in a contextually relevant manner. A developer API has also been available that’s led to vivacious developers and big names such as Instagram and Facebook to adopt 3D Touch into their apps. Apart from app implementations, 3D Touch is prevalent in some system-wide elements as well. Here’s a detailed list of the applications of 3D Touch:

Live Photos: Live Photos, in essence, are a photograph with 1.5 seconds of video before and after the picture(Android users can find alternatives to Live Photos here). While viewing the still image in the gallery, pressing it harder allows you to watch it come to life as iOS plays the 3 second video surrounding that image. The same thing can be seen if your wallpaper is a Live Photo.

App Implementations: Each app can have their own implementations of 3D Touch using the Developer API. eg: Warhammer 40K, a game demoed by Apple, employs 3D touch to launch stronger attacks when engaged, as compared to normal taps.

Contextual Shortcuts: Pressing an app that supports 3D Touch allows you to bring up upto 4 shortcuts that can take you right into a specific section of that app. eg: the Phone app lets you press it to call your favourite contacts.

Cursor Positioning: Whenever entering text, you can press the keyboard to enable a cursor mode that lets you place the cursor wherever you want. Pressing harder still, lets you start selecting words in a similar way.

Drawing in Notes: A small feature, but drawing in the new Notes app lets you draw darker strokes if you press the screen while drawing.


3D Touch is undoubtedly in its nascent stages. And, as of now, that’s the only serious limitation. If you’ve ever heard anyone say ‘3D Touch is going to become important…in the future’, they’re right. What 3D Touch lacks right now, essentially, is ubiquity, and, by extension a prevalent mindshare. During our time with the iPhone 6S, we had to constantly and consciously remember which apps and where, in those apps, 3D Touch actually works. If you want to get at some file/item quicker, or jump straight into a specific task, 3D Touch should, in theory, let you do so; but unless you’re entirely sure that the result yielded will be what you want, you end up doing what you wanted to do, slower than you would otherwise.

Possibilities- A Developer Perspective


3D Touch does open up a new dimension of possibilities. The only limitations it faces right now is its newness and lack of widespread adoption. But we would rather see a delayed and well-thoughtout implementation to a hasty and tacky one. And the former seems to be exactly where 3D Touch is headed. Let us know what you think about 3D Touch and whether it seems like something that is appealing to you.

Iphone Overheating: Why It Happens, And What To Do About It

Edgar Cervantes / Android Authority

It’s normal for phones and other electrical devices to get hot. After all, when you pass electricity through it, physics dictates that the item will get hotter. But there’s a big difference between hot and REALLY HOT. If you pick up your iPhone 14 and you end up burning your hands, then you will know you have a big problem on your hands. Before the thing explodes in your face, you need to look into why your iPhone is overheating and what to do about it.


iPhone overheating problems can be caused by factors such as processor-intensive apps, the temperature in which the phone is sitting in, a faulty battery, or outdated apps needing to be updated. All of these causes can be fixed if you act fast enough.


Why your iPhone is getting so hot. Known iPhone overheating problems

How to prevent your iPhone from overheating

Why your iPhone is getting so hot. Known iPhone overheating problems

Let’s first go into the broad outlines of why your iPhone may be warming up faster than someone who’s fallen head-first into a vat of hot sauce.

Too many processor-intensive apps running

Robert Triggs / Android Authority

If you’re in the habit of streaming 4K video, constantly playing high-definition music on Spotify or Apple Music, or playing graphics-intensive games, then that CPU inside the phone is going to struggle to cope with your demands. You need to scale these activities back or get a new phone that can handle it.

Outdated apps

Edgar Cervantes / Android Authority

One final possibility for iPhone overheating is outdated apps. If you’re running an app with bugs, that could cause the app to heat up. The same goes for an outdated iPhone that hasn’t been updated in months.

How to prevent your iPhone from overheating

Now that we’ve covered the explanations, let’s now cover the solutions. Some of them are very logical and obvious, but we will include them for the sake of completeness.

Shut down all unnecessary running apps

The next step is to shut down all unnecessary running apps on the phone (preferably all of them.) On the newer iPhones, swipe up from the bottom of the screen until you get the thumbnails of each open app. Then swipe up each one till they disappear.

Stop charging it

Robert Triggs / Android Authority

Logic dictates that if your phone is too hot, then adding an electrical charge to it is not going to help matters. So, if you are charging the phone, stop right now. Look to see if your charging cable might be damaged. Even if it doesn’t look damaged, it may be prudent to replace it anyway. They don’t cost much, and it’s better than having a completely ruined iPhone. The Apple Store has them if you prefer to get one from the official source.

Reset your iPhone

If the phone is still overheating, the last thing you can do yourself is to try resetting it. If you have an iCloud backup, you can have the phone back up and running in no time. But you may very well end up restoring the very cause of the problem in the first place. So perhaps a fresh install is required?

Buy a new iPhone

Kaitlyn Cimino / Android Authority

If all else has failed, then it may be time to bid farewell to your beloved iPhone, dispatch it to the recycling, and buy a new phone. Obviously, with iPhone prices being what they are, this is the ultimate last resort. But if this is your final option, then it’s time to start researching your next new iPhone.


Of course. It has electricity running through sockets and circuit boards. If the device gets too hot, then, of course, it will explode. Physics 101. The aim is not to let it get that far.

It is likely not going to cause the overheating in the first place, but a protective cover can trap heat coming out of your phone and slow down the cooling process. So if your phone is too hot, get the protective case off. Just don’t forget to put it back on later.

What Is Esim And Who Can Use It?

These days, physical SIM cards come in various forms designed to fit phones of all sizes. When you want to change networks, it’s as simple as taking the old SIM out and putting in a new one – that is, if your phone is unlocked! However, this is not the only way users can change networks, as eSIMs are beginning to gain traction. If you have been wondering what an eSIM is, you have landed in the right place. Here we will try to answer all queries you might have about eSIMs.

What Is an eSIM?

An eSIM or embedded SIM is just as its name suggests – a SIM card embedded within the device itself. An eSIM is basically an electronic and programmable form of a traditional SIM card on which you need to download a SIM profile from your carrier. It can also be called a virtual SIM as you can connect to your carrier network without a physical SIM card.

At the same time, you won’t find a eSIM card port on the phone, and you can’t physically take it out of the device. It’s buried within the phone’s processor and not removable. However, just like a swappable SIM card, you can change the eSIM to a different network (if it’s not locked that is). eSIMs are rewritable. That means you can change networks without removing your SIM. However, you will have to erase the existing eSIM profile and activate the new one.

eSIMs provide alternatives for phones that do not support a second SIM card. Most big manufacturers like Apple, Google, Samsung, etc., have incorporated eSIMs in some way or the other.

eSIM vs Physical SIM: What’s the Difference

While both eSIM and physical SIM provide the same functionality, they differ in a number of ways:

The physical SIM is removable. That’s not the case with eSIM as you cannot physically remove it.

One can easily switch phones in case of physical SIM cards. In contrast, you will need to contact your mobile carrier in most cases to change eSIM from one device to another.

SMS services might stop working for 24 hours as you transfer your eSIM to a new device. Nevertheless, this is a security measure that may not be applicable to all mobile carriers. Case in point, in our experience they did stop working while using the JIO network in India. You might be able to avoid this inconvenience by reading the instructions very carefully before switching your eSIM to a new device. Comparatively, this doesn’t happen when you switch a physical SIM card to a new device.

Traditional SIM cards can store contacts. This is not possible with eSIMs. But it shouldn’t matter much as most users store contacts in the cloud now.

Who Can Use eSIM?

At this point in time, eSIM isn’t available just to everyone. You’ll need to have a certain phone model and use a certain network to be able to give it a try. Today, it’s mostly flagships that offer eSIM capability including:

Image source: Unsplash

iPhone XS / XS Max or newer

iPhone SE (3rd Gen)

Google Pixel 3+

Samsung Galaxy S20 series +

In addition to mobile phones, smartwatches like Apple Watch Series 3 and above, Samsung Galaxy watches, and many computers also include eSIM technology. Apart from that, other IoT products like cars, smart meters, security systems, etc., can also support eSIM.

In the US, AT&T, T-Mobile USA, Verizon Wireless, Truphone, Ubigi, and Visible support eSIM.

A carrier’s both new and existing users can apply for eSIM. For existing users, their physical SIM card will become non-functional after activating eSIM.

How to Activate eSIM

The steps to activate eSIM differ slightly for each mobile operator and device. However, in most cases, the mobile operator will share a QR code consisting of the eSIM profile that you need to scan from your mobile.

Or, you will have to manually activate the profile by sharing your phone’s IMEI and IMSI numbers. Don’t worry. Your mobile operator will share a complete set of instructions when you apply for eSIM. Below you can see an example of a SMS sent by our mobile operator which includes the complete instructions on how to activate our eSIM.

Advantages of eSIM Cards

Moreover, eSIM cannot be damaged or lost unlike your physical SIM card unless you lose your phone. Also, eSIM is secure as it can’t be duplicated easily, provided you don’t share the QR code or other important information like IMSI or virtual SIM number with others.

Also, by removing the tray required for SIM cards, manufacturers can design their phones to be thinner. You don’t have to worry about the SIM change – just enjoy your sleeker device!

Further, in order to use eSIM, both the network provider and your smartphone should have support for the eSIM functionality otherwise it won’t work.

eSIM also makes it difficult to identify and fix network issues. Generally, one would remove the physical SIM card or put it in another phone to check if the problem is due to the network or on the phone. This isn’t easy to handle with eSIMs.

The move from a user-replaceable SIM to one fixed inside the device is causing some users to voice concerns about limitations, identifying this aspect as another part of the phone they can’t customize.

Frequently Asked Questions Can you convert from eSIM to physical SIM?

Yes, you can switch to a physical SIM card from an eSIM. However, you will need to contact and visit the mobile carrier store in order to do so.

How many eSIM profiles can you store on one device?

Some devices can only store one profile, so you’ll need to erase the old and download the new network profile to make the change. Other devices allow you to store multiple eSIM profiles. You can easily switch to one of them from the device’s settings on the fly.

Is it possible to receiving calls from both SIM cards on the same phone?

You can make and receive calls from both numbers on your phone. However, you can receive or make calls from only one number at a time. That is, if you are on a call from one number, you won’t receive calls to another number. Call waiting functionality only works for the calls for the same SIM card.

All screenshots by Mehvish Mushtaq

Mehvish Mushtaq

Mehvish is a tech lover from Kashmir. With a degree in computer engineering, she’s always been happy to help anyone who finds technology challenging. She’s been writing about technology for over six years, and her favorite topics include how-to guides, explainers, tips and tricks for Android, iOS/iPadOS, Windows, social media, and web apps.

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57% Of Organizations Are Failing To Plan. Here’s What You Can Do About It

“Plans and strategies are crucial.”

You hear this a lot in the marketing world but, it seems, many of us are failing to put our money where our mouth is – or finding it harder to do rather than just say.

Partnering with Technology for Marketing, we recently surveyed our members to discover how they approached digital marketing optimization. What we found was a distinct shortfall in strategy and planning activities. 

Download Free Member resource – Digital Marketing Optimization

This report will allow you to benchmark your organization’s optimization efforts against other senior marketers based on a survey of Smart Insights members and Technology for Marketing attendees.

Access the

The Plan stage of RACE is crucial and defines the scope of all digital marketing activities that follow. Think of it as the bedrock on which you build your digital marketing tower. 

Let’s quickly talk principles: to create an effective digital marketing strategy, you must first have a good idea of what you’re currently doing, as well as your strengths and weaknesses. It’s also important to understand the market and your competitors’ activities. This will help highlight areas to focus on and enables you to create actionable, measurable goals. 

With that in mind, let’s revisit that 57%. It breaks down like this: 

20% said they had no formal strategy at all. 

37% have some prioritized activities but no goals set and minimal effort given to adopting Martech.

What does this mean? 

You’ve likely heard the old adage “fail to prepare and prepare to fail”. Luckily, life isn’t as black and white as that – plenty of businesses out there are operating with passable but uninspiring success with a completely ad-hoc approach to marketing – but there is plenty of truth in its sentiment. 

If you’re reading this and worrying that you fall into the camp above, don’t worry. Let’s take a look at how you can make a change today.

What’re you doing now? 

The best place to start is by working out what digital marketing activities you’re already engaging in and how they are performing. 

Are you delving into social media but on an ad hoc basis – as and when it feels right?

How do you approach content marketing – if at all? 

It’s also important to work out what your competitors are doing and how this compares to your activity. This can hopefully boost your confidence by showing you areas of strength, but it can also highlight areas where you’ll need to step up your game. 

To help you get an idea of how and where to start with this process, our Marketing SWOT analysis and strategy prioritization workbook template is just the ticket. 

In it, you’ll find the SWOT/TWOS analysis framework, which will help you systematically identify your Strengths, Weaknesses, Opportunities, and Threats. We talk more about the difference between SWOT and TOWS within the linked template. One of the great features of a SWOT/TOWS analysis is it is entirely scalable. You can apply it to your company’s digital marketing as a whole or on a much finer scope, such as on a specific channel. 

Once you have an idea of how you fare in each category, you’ll have identified your key issues – the areas you’ll need to work hardest on. This gives you the knowledge to move onto the next step.

What can you do looking forward? 

Ok, now that you know what your SWOT elements are, the next step is to think about how you can address or maintain them in the long term. 

Again, the SWOT/TOWS tool will help you here, as the strategies boxes are where you’ll be working next. These prompt you to identify how to solve these issues and play to your strengths within the thinking framework highlighted in orange below:

The abbreviations in each orange box’s title stand for: 

Strengths and opportunities strategies 

Weaknesses and opportunities strategies

Strengths and threats strategies

Weaknesses and threats strategies

Once you’ve completed these four areas, you’ll have identified several strategically significant areas to work on – these are the beginnings of a long-term strategy! 

The next step is outlined in the Marketing SWOT analysis and strategy prioritization workbook template, and involves thinking critically about what actions are needed to achieve your objectives and how you will track their progress. 

When should you do it?

Of course, if you want to complete your objectives you’ll need to set aside time to do so, as well as have an idea of when is reasonable to have them completed by. 

We created a prioritization matrix to help with these thought processes. It works by plotting your objectives along a 6×6 grid, identifying their priority level on one axis and your business’ capability on the other. 

You should act on the most important objectives (i.e. P1 and P2) with the lowest capabilities (i.e. C2, C3) first. From there, work through the matrix steadily going toward the bottom right corner – that is, towards the objectives with lower importance that are easiest to complete. 

Food for thought

This is really a whistle-stop tour of starting to think more strategically, and we hope that you’ve got a sense of the resources we have created to support you through this. 

As you may also have noticed, we only looked at one element of our survey question. There’s a whole host of further insights available in the Digital Marketing Optimization 2023 Report around all stages of digital marketing optimization – not just planning and strategy. We highly recommend reading through it, reflecting on how you compare, and hopefully finding the drive to improve how your organization approaches digital marketing optimization.

Digital marketing optimization is a journey, not a quick “one-and-done” fix, and incorporating it into part of your wider ongoing strategy for success and growth is crucial. 

What To Do About The Flu

What to Do about the Flu Bad influenza season: prevention, treatment, vaccine clinics

Gina Sinacola, a registered nurse at Brigham and Women’s Hospital, administers a flu shot to Marc Levi (CAS’13) at the GSU. Photo by Vernon Doucette

You can still get a flu shot. And for God’s sake, don’t come to class or a dining hall if you’re sick.

Those and related reminders were emailed to the BU community last week from Student Health Services (SHS) amid a nationwide flu outbreak that’s killed at least 18 in Massachusetts and led Boston to declare a flu emergency.

The good news, according to flu experts, is that this year’s flu vaccine is effective against the new bug. The University has scheduled flu clinics this week for students at the George Sherman Union and FitRec, and for faculty and staff on the Medical Campus and on the Charles River Campus at the Occupational Health Center, 930 Commonwealth Ave., via its Pleasant Street entrance (details below).

“Student Health Services has begun to see some limited influenza activity over the past several weeks,” SHS director David McBride said in his message to the University community. “This news is no cause for alarm, but it does give us all the opportunity to practice effective prevention of this type of illness.”

McBride had previously alerted the BU community to the ineffectiveness of antibiotics in treating the flu. Among his latest email’s suggestions, besides getting a vaccine shot:

Wash your hands frequently. To assist, the University has almost 500 hand sanitizer stations in academic, residential, and recreational buildings.

Avoid those who have the flu if possible. Those who catch the flu should get bed rest and avoid crowded places, from classrooms to FitRec to dining halls. Dining Services allows stricken students to reserve meals online for pickup and delivery by friends. McBride recommends that those with the flu isolate themselves until they’ve been fever-free for 24 hours after they’ve stopped taking fever medication.

Clean frequently touched surfaces in your room or office with Clorox wipes or another antibacterial cleanser.

Cough into your sleeve or a tissue, not your hands.

If you get the flu, drink lots of fluids, and if you have a fever, take fever medicine such as acetaminophen (Tylenol), ibuprofen (Advil), or naproxen (Aleve). If taking the fever medicine for three days doesn’t fix the fever, seek medical care, which should also be sought if you persistently vomit up fluids. Students can call SHS at 617-353-3575 with any questions.

People with additional, significant medical problems should call SHS or their doctor early after getting the flu.

The University encourages students to contact their professors if they’ll be out of class to arrange catching up on missed studies.

BU’s Custodial Operations has prevention protocols for flu and flu-like illnesses, calling for such things as “more rigorous use of protective gloves and goggles,” frequent hand-washing, and increased cleaning of the array of frequently touched surfaces in campus buildings, along with the extra service hours necessary to do this work.

The federal Centers for Disease Control says exact numbers of annual flu deaths are unknown—for one thing, states aren’t required to report them—but that in the last three decades, they’ve ranged from approximately 3,000 to 49,000.

Upcoming flu clinics on the Charles River Campus and the Medical Campus are as follows:

Friday, January 18, 10 a.m. to 4 p.m., FitRec Dance Studio lobby (enter via Buick Street) (students only)

Friday, January 18, 9 to 11 a.m. and 2 to 4 p.m., Occupational Health Center, 930 Commonwealth Ave. (employees only)

Tuesday, January 22, 9:30 a.m. to 3:30 p.m., Medical Campus, Hiebert Lounge, 72 E. Concord St. (students only)

No appointments are needed, but bring your student ID. Flu shots are free for students with BU’s AETNA student health insurance; if you have your own insurance, SHS will give you a receipt to seek reimbursement (most insurance companies cover flu shots). Students without insurance will have their student accounts charged $30 for a shot. You should not get a flu shot if you’re allergic to eggs, have had a severe reaction to a previous flu shot, are moderately or severely ill, or have developed Guillain-Barre syndrome within six weeks of getting a previous flu shot.

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