Pi is something we learn about in early geometry class. It’s a way to figure out the area of a circle. It turns out that calculating pi used to be incredibly difficult. Before Isaac Newton, we would have to determine the number in some pretty strange ways.

The streaming market is more crowded than ever — and every one of them wants your money. If you subscribe to Netlflix, Hulu, Disney+, Apple TV or some combination of these, your monthly bill might be enough to make you rethink all these options. That's why you need to look at the bottom line. In this Digital Life Hack, Kim has 9 insider tips to help you save big money and still get all the content you want.

Have you ever dreamt about being able to see through walls? Scientists may have cracked the code to this superpower. So what will this technology be used for? It turns out X-ray vision will be used for much more important things than just trying to see through a wall.

You probably know the best place in your house to make a call on your smartphone. But what about when you just can’t get a good signal or you’re away from home? It’s super frustrating, but there are a few tricks of the trade that can help. In this Komando DIY, three simple ways to get better cell service.

We use smartphones for virtually everything, so keeping them charged is of the utmost importance. Whether you’re an Android or Apple user, Kim can help you select the best, affordable charging cables for your device.

When we want to know what time it is, we can look at our phones and be certain that the time we see is accurate. But obviously, this wasn’t always the case. So how did we get to this point, and who decided how long exactly a second was?

Are you tired of weeding through the videos that seem interesting but end up being a disappointment? Stop wasting hours of your life searching YouTube feeds and follow my channel instead! I'll show the videos you actually want to watch and keep you up to date with the latest technology and news — and, of course, incredibly cute videos!

The Kim Komando Show airs from coast to coast on 400 radio stations and on demand. Use our handy station finder to see how you can listen in your area. Every show is packed with all the latest tech news, digital tips and security info you need to stay safe. Don't miss this weekend's episode!

Your Amazon Echo can do so much more than answer your questions. In my eBook, "How to Use Your Amazon Echo: Tips and Tricks," you'll learn everything you need to know to become a pro. I'll show you how to set it up all the way to how it can endlessly entertain you in your living room, your kitchen and your bedroom. You will also learn the necessary tools to have your Amazon Echo help you in an emergency.

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Best regards,
Kim Komando and the entire team