You probably know you can change app permissions on your phone via settings. But did you know you could do the same for your computer? That's right — apps snoop on you through your desktop or laptop just as easily as they do through your phone. Here's how to check up on and disable app permissions from your PC or Mac.

Have an Amazon Echo at home? With Drop In, you can pop in on your speaker or one owned by a friend or family member who gives you access. It’s an excellent way to say hello without picking up the phone.

To enable Drop In:

• Open the Alexa app and tap Devices.
• Select Echo & Alexa, then select the device you want to use.
• Tap the settings icon in the top right corner, then choose Communications.
• Tap the toggle to enable Drop In and other communications.
• Tap Drop In to customize who can Drop In. You can select My Household to limit this to only devices on your account.

You can now use the Alexa app to pop into your Echo devices. In the app, tap Communicate at the bottom of the screen, then Drop In. Choose the device you want from the list.

🔈 Want more Echo tricks? Here are four other smart uses.

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Don't do your finances alone. Online calculators can help you better understand where you are now to craft realistic plans for the future. You don't have to spend a ton of money on these calculators, either. Here are a few free options.

Master all things Microsoft with Kim's Windows newsletter. Free downloads, update news, pro tips and more, delivered weekly.

Big Tech is supposed to safely handle our personal online data, but now they’re getting into the political game. I don’t want to be any part of that, and neither should you. That’s why I trust and use ExpressVPN.

These Big Tech companies match your internet activity to your identity or location by using your public IP address, but with ExpressVPN, no one can see your IP address — no one.

Ah, vacation. We could all use a break, but there's no denying the stress that comes with all the moments leading up to reaching your destination. I can help! In this column, I've got smart ways to save you some time, protect your privacy and get where you're going comfortably.

Our phones are our lifelines to our friends and family, but what happens when we can't reach everyone we care about when we really need to? You can set up your phone to do it for you. We've got the steps to alert your trusted friends and family in case of an emergency.

The internet is full of junk. We find the good stuff for you, from helpful tools to get stuff done to the best apps and websites out there.

When you look at a globe, you see horizontal and vertical lines crisscrossing the entire sphere. Those are latitude and longitude lines and they have helped us explore the Earth over the last 500 years. In this video, you'll learn how to find your own latitude and longitude at home without using Google. Cool!