You've heard the theories. Phone manufacturers slow down older devices to push people into upgrading to new ones. This theory has led to lawsuits, settlements and software patches, but what's the verdict? The answer is a bit more technical than you may think. We've got the clarification for you right here.

Dottie from Boston, Massachusetts loves to go on long walks with her partner. Unfortunately, that means she sometimes loses her phone while enjoying the scenery. She asked me for the best app for tracking down her lost Android.

I suggested Google Find My Device. By installing this app on a trusted person’s phone, you can use Google Maps to find your way back to your lost Android. You can even secure the device to make sure strangers aren’t sneaking through your secrets.

Even better, you can add a message for anyone who finds your phone, letting them know where to find you. In a worst-case scenario, you can even erase the device. (Hopefully, you’ll find it before you start considering that, though.)

Download the app here for Android.

I didn't forget about you, iPhone owners. Here's how to find your lost device.

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Aren't you sick of spending money on expensive ink cartridges? Follow Kim's footsteps and upgrade to cartridge-free printers. Kim uses Epson's high-tech EcoTank, which can provide up to 7,500 pages from a single bottle of ink.

Twitter is full of trolls and politics. Not my page, though. Come say hi and learn a thing or two.

This year is looking up. If part of your growth strategy is adding new team members to your business, LinkedIn Jobs can help you find the right person quickly. To make things better, your first job post is free. Getting started is easier than ever, with new features to help you find qualified candidates. 

Post a job with targeted screening questions, and LinkedIn will quickly get your role in front of more qualified candidates. Manage job posts and contact candidates in one spot — even from your mobile phone. 

My favorite price is free. There's a lot of free stuff online that can come back to bite you. That's why I did the hard work and found free software you can trust that really works. If you're sick of paying for Microsoft Office, Photoshop or other expensive tools, I have your back.

Tired of low or no Wi-Fi signals in your bedroom? Try these Wi-Fi extenders. They stretch the reach of your router's Wi-Fi capabilities, so you have a solid connection no matter where you are in your home.

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

Being able to see color is a significant evolutionary trait. We can see how blue the sky is or how beautiful fresh flowers are. But, it turns out not all of us see color the same way, and scientists now believe women can see more colors than men. So why is this?