Numbers

When browsing the web, I enjoy my privacy. It's reassuring that I can peruse the internet without the worry of having my activity tracked back to me, allowing me to leave fun, anonymous comments when I get the urge to troll. Anonymity can also be important when sending a mess ...more

When I see the words "free trial," I know I'm probably going to have to whip out my credit card and enter in the number to "not get charged." Then I end up forgetting about the trial and want to kick myself in the ass when I see my statement at the end of the month. In order ...more

Caller ID is great to have, but there are certain situations where you don't want the person you're calling to have your number. People who sometimes use their personal phones for work may not want clients knowing where to reach them outside of work, and anytime you're dealing ...more

Throwaway phones aren't just for seedy criminals and spies—they can be useful for many everyday situations. For example, you don't necessarily want to give your real phone number out to strangers when you're buying or selling something on Craigslist, managing an Airbnb listin ...more

Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more

The iPhone XS, XS Max, and XR aren't the newest devices from Apple Inc., but all three have a serious problem in Messages. When sending a friend an SMS/MMS text rather than an iMessage, the phrase "Number changed to Primary" appears in front of every message. What gives? If th ...more

Prank Calls, Masked NumbersWho is calling your phone or your child's? Pranksters use a lot of tricks to make sure they can get on your nerves. Being able to trace prank calls is important because you're not going to learn much from your Caller ID, since most prank callers use ...more

Phone numbers often contain clues to the owner's identity and can bring up a lot of data during an OSINT investigation. Starting with a phone number, we can search through a large number of online databases with only a few clicks to discover information about a phone number. I ...more

Spoofed phone calls originate from one source that's disguising its phone number as a different one, and you probably get these calls all the time. Maybe they're numbers from your local area code or for prominent businesses, but the callers are just hijacking those digits to f ...more

Only scumbags hide their call and message history, right? Wrong. While it may seem like a tactic for the unfaithful, it's still a good thing to do for certain contacts on your phone that you don't want to block outright. Blocking someone on your phone seems cruel, because you ...more

One of the most useful new features in iOS 7 is the ability to block phone calls, FaceTime calls, and text messages by blocking any phone number. Whether you've got a stalker, a crazy ex, a harassing bill collector, or just too many telemarketers, this new feature makes it ea ...more

Whenever you make FaceTime audio or video calls from your iPhone, Apple automatically uses your phone number or Apple ID email address as the caller identification. So when someone that you're calling sees the incoming call, they'll see it's from your phone number or email add ...more

No matter your reasons, you might need a second phone number that's a little more disposable than your primary number — a "burner" number, so to speak. If you create this burner number using Google Voice, you'll get new functionality like call forwarding and voicemail transcri ...more

As much as you try to safeguard your personal information, you may have made a small mistake by giving your phone number to the wrong entity, and now you're being bombarded with dozens of spam calls every day. To help parse your call log and reject the proper numbers without a ...more

Thanks to a newly discovered iOS exploit, a text message can now ruin your day. It will literally cripple your iPhone, and the worst thing is that anyone with a phone that supports double-byte unicode can do it to you. While it initially sounded like bullshit, we tried it out ...more

WhatsApp is a very popular messaging app on the Play Store, but unfortunately, tablet users have been left out of all the fun because WhatsApp only works on smartphones—until now. Tech wiz James Nakata wrote up a short guide over in our forum for porting WhatsApp onto a Nexus ...more

Have you ever wondered how credit card numbers work? I mean, how they really work? How do they come up with the numbers? Credit cards actually follow a very specific pattern. Let's take a look at how they're set up. Example of a Credit Card Number 4485 3151 5882 2849 These ...more

Adding and subtracting may be the easiest of mathematical operations, but once you get it down, multiplication and division can be just as easy. That's why it's called elementary arithmetic. If it were harder, it would be called college algebra or trigonometry. But it's not— i ...more

Syncing your Google and Facebook friends to your smartphone gets your contacts list up-to-date quickly, so you'll never have a problem finding someone's number. But, there's always a negative side to things. In this case, you'll not only get contacts with phone digits, you'll ...more

Got a knack for speeding? Like running red lights? Believe or not, the police have better things to be doing than pulling you over, like catching real criminals. That's why more and more cameras are popping up at known speeding zones and on street corners—so the cops can clean ...more

One feature that the majority of iPhone owners utilize is the device's passcode security lock. And while iOS 8 ushered in device customizations that add a whole new level of personalization on the Apple's mobile devices, the lock screen passcode page remains frustratingly the ...more

If you utilize strong passwords—which you absolutely should be—you've probably had to go back and forth between keyboard screens multiple times to input various letters, numbers, and symbols. The Google Keyboard does have numbers easily accessible via a long-press in the top ...more

A lot of times, you'll come across an app, a game, or even a cool root mod that requires a certain Android version. The description will say Android 4.3 or higher required, or something to that extent, but not much help is offered beyond that. So to clear things up a bit, I'll ...more

Signal Private Messenger is famous for its end-to-end encryption, but you can't even use the messaging app without having a real phone number attached to it. Luckily, there is a way around this limitation, so you can use Signal even if you don't have a valid SIM card in your s ...more

By default, the Galaxy S9 and S9+ only have 15 media volume steps — in other words, there are only 15 increments between silent and full volume. That's usually fine if you're using your phone's speakers, but if you're wearing headphones, more fine-tuned controls would be helpf ...more

Android lets you sync your contacts across devices. The OS will use not only contacts saved on your phone, but also your Gmail. This choice can lead to a contacts list populated with entries that don't have a phone number, which can quickly add up. To mitigate this problem, th ...more

Apple's Weather app has been around forever, at least for iPhone, and it's gone through many design changes over the years. But we're at a point now where we can actually customize how the Weather app looks and feels in many different ways, some of which you probably haven't e ...more

While conducting an OSINT investigation, it's important to be able to pull in information based on any clue you uncover. In particular, license plate information can turn up everywhere, from photos to live data to on your own street. You could use that data to find the VIN, se ...more

With all of the productivity tweaks and usability enhancements that we cover here at Gadget Hacks, it's nice when we come across a unique and noteworthy app that's simply about having fun. This is the case with the latest offering from the development team at Privax. Their ap ...more

The keyboard I use the most on my Galaxy S4 is the Google Keyboard, and that's partly because of the custom themes I can play around with. There is one thing that bugs me, though, and that is that there is no number row like the SwiftKey keyboard has. Currently, you either hi ...more

We're maniacs for mustard: we put it on our sausages, our salmon, our turkey club sandwiches... you name the dish, we find an excuse to spread mustard on it. So it's not surprising that it's a common item on our grocery list. However, we had no idea how ridiculously easy it w ...more

For some, the Galaxy Note 9's volume rocker doesn't have enough steps between silent and max volume. We all have different preferences for volume, and a higher number of steps would equal to more precise volume control. Good thing we can at least adjust this for the media volu ...more

Chicken breasts have gotten a bad rap. Dry, flavorless, boring... poor white meat gets no love, and dark meat gets all of the credit for being sinfully flavorful and delicious. But the truth is, even though chicken breasts are lower in fat and calories, they can also be incred ...more

Google's Gboard is by far the most popular keyboard available right now. Gboard lets you search almost anything—from regular Google searches, to emojis, and even GIFs—just by using your keyboard. The app even lets you share search results, saving you a great deal of time, whic ...more

As much as it pains me to say it, without my phone, I would pretty much be useless. I can barely remember what I had for lunch yesterday, let alone all of the hundreds of numbers in my contact list. That's why whenever I forget my phone at home, I am pretty much stuck having t ...more

There are tons of situations that require you to give out your phone number, and I think just about everyone has regretted doing so at some point. It can be incredibly convenient to have a secondary or temporary number on hand, so if you don't want to provide your real digits, ...more