How much have you spent on a phone, computer, tablet, printer, TV and all the other devices you use daily? Do a quick tally in your head. Now that you think about it, I bet you want to protect those investments. All it takes is a little know-how.

There are many standard and custom keyboard shortcuts you can access in your Gmail account. Some of them are automatic and ready to use, and some you have to set up yourself. So take a look at which ones you think you will use most to see if they need to be turned on.

To turn on keyboard shortcuts, go to the gear icon and click See all settings. Scroll down to the Keyboard shortcuts section. Click the circle next to keyboard shortcuts to enable and use them. For a list of all shortcuts you can use, click the blue Learn more link in the Keyboard shortcuts section. Then save your settings at the bottom of the screen.

Want to create your own keyboard shortcuts? Go to Settings and click the link marked Advanced at the top of the screen. From there you will be prompted to make your own custom shortcuts.

Tap or click here to find out how to create more keyboard shortcuts.

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Cybersecurity should be simple, but it often gets pretty complex in practice. That's because you can make tons of computer security mistakes. To make the most of your antivirus software, avoid these common missteps. If you have any of these bad habits, you're more likely to deal with malware infections.

Home security is no joke, and you can’t rely on cheap junk you find from who-knows-who online. I trust SimpliSafe, and you can, too.

You build the perfect system for your home online (no annoying salesperson), and it’s shipped right to your door. Set it up yourself, and you’ll be up and running in no time. It’s easy enough for anyone to do.

SimpliSafe’s professional monitoring agents make sure you get priority police response — even if you're away or unable to respond — for under $1 a day. That’s less than half the cost of ADT’s traditional professional installed plans.

Are you intimidated by the thought of creating a custom ringtone? It's easier than you think, and we can show you how. From finding the perfect copyright-free song to loading it onto your device, you can shake up your smartphone routine in the best way possible.

Smart TVs are incredibly useful. Use these internet-connected devices to stream and manage your movies and shows without an external connector. You access media through different apps, like Netflix, Hulu and countless others. You can add more apps to find content that better fits your interest. Knowing how to manage the apps on your smart TV can help thwart hackers.

Fiber optics have revolutionized the way we transfer information using the fastest thing we know of, light. One animal has apparently had fiber optic fur this whole time. The polar bear. But why does its fur have this property, and how does it benefit them?