Some people like personalized ads since they're for products they actually care about. But there's a sneaky way companies get your personal information. If you're worried about privacy at all, change this setting on your mobile device ASAP.

To save your eyes from strain while you watch YouTube videos, try the Dark theme. Tap your profile picture/icon and go to Settings > Appearance to choose from Dark theme, Light theme, or let YouTube default to your device’s theme. Dark mode may make it easier to spot problems with your monitor. Tap or click here to learn more about dead pixels and how to fix them.

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When was the last time you really looked at your wireless bill? There’s a good chance you’re paying more than you need to. “What if my phone isn’t paid off?” you ask? Good news: T-Mobile will pay off your phone, up to $1,000. Find out how you can score their best offer yet.

When you own your own business, you're the CEO, the marketer, the IT person and the data analyst. Don't go it alone. Get Kim's must-read small biz tips every week.

Getting the care you need to stay healthy shouldn’t be hard — or expensive. Everyone should be able to afford their medications. That’s why you should check out GoodRx.

With GoodRx, you can instantly compare prices for your prescription at every pharmacy in your neighborhood and save up to 80%. GoodRx is free and easy to use. And many times, your savings with GoodRx are better than just using your insurance copay or Medicare. Plus, with GoodRx, you can find discounts for your prescriptions at over 70,000 pharmacies, like CVS, Kroger, Walgreens, Rite-Aid, Vons and Walmart.

Low-quality pictures can tank your social media presence. That's especially true for image-based Instagram. Luckily, there's a quick and easy way to boost the appearance of your social media posts. Just follow these steps.

No matter which phone you purchase, it will come with built-in apps that you seldom use. Then there are the apps you downloaded that have fallen out of favor. There's also bloatware that's designed to get your business and information. Deleting these apps will free up space and speed up your smartphone. We'll show you how to do it.

Get Apple tips, tricks and updates to your inbox twice a week. Coming up soon: How to hide files and folders on your Mac. Handy!

The James Webb Telescope will launch soon and become the most technologically advanced space telescope of all time. It will be able to see farther than any telescope ever has. Historically, tiny particles of cosmic dust have interfered with us being able to see such long distances. Well, scientists have a solution for that, and it’s absolutely genius.