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Chris Hoffman

Chris Hoffman is a technology writer and all-around computer geek. He's as at home using the Linux terminal as he is digging into the Windows registry. Connect with him on Google+.

Game-streaming services like Twitch TV are becoming bigger and bigger. Whether you want to let your friends watch you play a game or try to build up a larger audience, streaming is easy.

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Macs don’t need third-party utilities like TrueCrypt to create a secure, encrypted container for your sensitive files. You can create an encrypted disk image using the built-in Disk Utility.

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Botnets are networks made up of remote-controlled computers, or “bots.” These computers have been infected with malware that allows them to be remotely controlled. Some botnets consist of hundreds of thousands — or even millions — of computers.

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Microsoft makes much more money from Android than Windows Phone. Every time you buy an Android smartphone or tablet, Microsoft is likely receiving $5 to $15. They likely make at least $2 billion per year from Android.

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Windows 8.1 integrates OneDrive (formerly SkyDrive) everywhere, even on the desktop. You may want to save all your personal files to OneDrive so they’ll be accessible everywhere, but Windows doesn’t always save to OneDrive by default.

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We’ve come a long way since the days of infected floppy disks moving between DOS computers. Malware isn’t about messing with you, joking around, or just causing damage — it’s all about profit.

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Mac keyboards have Option and Command keys where standard PC keyboards have Alt and Windows keys. The keyboards are otherwise pretty similar, but new Mac users will need to understand these different keys.

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Thanks to the frequent sales, PC games just cost less than console games. If you’re patient and know the tricks, you can save quite a bit of money. Almost every game seems to regularly go on sale.

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Your iPhone or iPad automatically backs up to your iCloud account by default, but you can also create more comprehensive, local backups from iTunes. Apple only offers 5 GB of iCloud space for free, so you may need to manage your iCloud backups.

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Yet again, someone wearing Google Glass was assaulted and had the gadget ripped off their face. People are upset they’re being recorded by Google. But that’s not how Google Glass works — it’s not always recording you and it’s not always on.

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If you read any tech news, you’ve probably seen “the Internet of Things” mentioned over and over. It’s supposedly one of the next big things — but what exactly does it mean? Isn’t the Internet already made up of things?

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Reports of the PC’s demise have been greatly exaggerated. We’ve all heard that everyone’s just buying tablets and throwing out their keyboards and mice. But if you live in the real world, you see people using PCs every day.

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Microsoft’s Office Online is a completely free, web-based version of Microsoft Office. This online office suite is clearly competing with Google Docs, but it’s also a potential replacement for the desktop version of Office.

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You can easily reset your iPhone, iPad, or iPod touch to factory default settings. If you’re experiencing problems — even if it won’t boot — you can reinstall the entire iOS operating system.

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Screencasting can seem a bit daunting at first. Open Broadcaster Software is a powerful, free program that will do everything you need, but you’ll need a few minutes to learn its interface.

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There’s no need to huddle around the same computer or send files back and forth over email if you want to collaborate with other people. You can all edit the same copy of the document — you can even edit it together in real time.

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Computers generate random number for everything from cryptography to video games and gambling. There are two categories of random numbers — “true” random numbers and pseudorandom numbers — and the difference is important for the security of encryption systems.

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Do Android phones and tablets slow down over time? Many people seem to think so. We’ll look at the reasons why devices slow down and how to battle slow downs.

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Dedicated GPS devices are going the way of the dodo, and for good reason. That smartphone or tablet you have can be a capable GPS with turn-by-turn navigation. This works even if you don’t have a data connection.

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The Internet is complicated. Never mind net neutrality — peering agreements can affect services like Netflix and YouTube, slowing down their traffic. Issues with peering agreements may be indistinguishable from an ISP throttling some types of traffic.

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Windows Activation, introduced in Windows XP, checks in with Microsoft when you install Windows or get a new Windows PC. This is an anti-piracy feature — it’s designed to annoy you if you’re using a non-genuine copy of Windows.

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If there’s one complaint nearly everyone seems to have about Windows, it’s that it wants to reboot so frequently. Whether it’s for Windows updates or just when installing, uninstalling, or updating software, Windows will often ask to reboot.

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The Xbox 360 controller has become the gold standard for PC gaming. Yes, the specific type of controller is important — you don’t want another brand of controller or even an Xbox One controller.

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You don’t need Microsoft Office to put together a professional-looking resume. Google Docs is completely free and offers a variety of resume templates, so you can focus on highlighting your skills instead of fiddling with formatting.

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Gaming mice are advertised with high DPIs and polling rates. But what do these specifications actually mean, and are higher values actually useful?

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