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If you’re a little low on Facebook friends, you’ll be prompted to add people you might not necessarily know, thanks to Facebook’s friend suggestions feature. If you want to turn these suggestions off, here’s what you’ll need to do. Disable Facebook Friend Suggestions on Windows and Mac If you’re using Facebook’s desktop website on your Windows 10 PC or Mac, you can turn friend suggestions off in your account settings. To do this, open the Facebook website and sign in to your account. Once you’ve signed in, click the down arrow menu icon in the top-right corner. From the drop-down menu, select Settings & Privacy > Settings. In the Facebook Settings menu for your account, click the “Notifications” option on the left. Select “People You May Know” in the “Notifications Settings” menu. Facebook prompts you with suggested friends in various ways. If you want to stop specific friend suggestions (but don’t mind the in-app suggestions), click the slider next … [Read more...] about How to Disable Friend Suggestions on Facebook

Signal is the privacy-focused smartphone messaging app everyone seems to be using . You can also use Signal on a Windows PC, Mac—or Linux computer. It’s easy to install and register it to your Signal account. Privacy by Design Signal is published by the Signal Foundation and Signal Messenger LLC . These two not-for-profit organizations—based in Mountain View, California—were founded by Matthew Rosenfeld (aka ‘Moxie Marlinspike’) and Brian Acton . Together they continue the work started at Open Whisper Systems , one of Rosenfeld’s earlier start-ups. The Signal application is free and open source. Anyone can review the source code. The source code for the Signal Messenging Protocol (SMP) was reviewed by a joint team from the German CISPA Helmholtz Center for Information Security , the Swiss ETH Zurich University , Cisco , and the Canadian University of Waterloo . They declared the code clean, the motives pure, and the encryption rock-solid. Signal is … [Read more...] about How to Install Signal Desktop on Linux

End-to-end encryption (E2EE) ensures that your data is encrypted (kept secret) until it reaches an intended recipient. Whether you’re talking about end-to-end encrypted messaging, email, file storage, or anything else, this ensures that no one in the middle can see your private data. In other words: If a chat app offers end-to-end encryption, for example, only you and the person you’re chatting with will be able to read the contents of your messages. In this scenario, not even the company operating the chat app can see what you’re saying. Encryption Basics First, let’s start with the basics of encryption. Encryption is a way of scrambling (encrypting) data so that it can’t be read by everyone. Only the people who can unscramble (decrypt) the information can see its contents. If someone doesn’t have the decryption key, they won’t be able to unscramble the data and view the information. (This is how it’s supposed to work, of course. Some encryption systems have security flaws … [Read more...] about What Is End-to-End Encryption, and Why Does It Matter?

Is there a topic you don’t understand and would like explained in the simplest way? You might want to use the acronym ELI5. Here’s what it means, and how to use it to get a helpful explanation. “Explain Like I’m 5” ELI5 stands for “explain like I’m 5.” When people use it online, they’re asking others to explain a complex or obscure topic in the simplest of terms. So, if taken literally, they would explain something in a way that a 5-year-old would understand. However, this acronym is rarely used literally. ELI5 means breaking down a topic into reader-friendly layman’s terms. Some popular ELI5 topics might include science, technology, law, and economics. Questions about astrophysics or global affairs might not have any easy answers readily available online. So, an answer in response to “ELI5” might be the best way for the average person to grasp a concept. The standard format is to just type the acronym followed by the question you want to ask: “ELI5: Why does a day last … [Read more...] about What Does “ELI5” Mean, and How Do You Use It?

If you’ve ever tried to shoot good-looking portraits with your camera and a basic kit lens , you might have been disappointed that the results didn’t match the images you see on social media or in magazines. Part of this is down to the lenses most often used to shoot professional portraits. Let’s look at what makes them special, and whether you need one to get great portraits. What Is a Portrait Lens? Portrait lenses (or rather, lenses-that-are-often-used-for-portraits-but-can-be-used-for-lots-of-other-stuff-too) have two key features: They have a normal or short telephoto focal length. They have a wide maximum aperture . This means that most portrait lenses designed for full-frame cameras have a focal length of between about 50mm and 105mm, with a maximum aperture of somewhere between f/1.2 and f/2.8, or so. ( The equivalent focal range for crop-sensor cameras is between around 35mm and 70mm , so there’s a lot of overlap.). Some typical portrait lenses … [Read more...] about Do You Need a Special Lens to Take Portrait Photos?