They go by different names, but flash drives are handy tech tools for carrying computer files in your pocket! Here is a video that explains all you need to know about USB drives.
Secure your cell phone from loss of data and loss of the phone!
Use the Android Device Manager on your Android phone.
Or try Lookout for your IPhone or Android.
There are many options for protecting your phone, tablet or laptop available through apps. Research their availability in reliable sources like Wired magazine or other tech magazines. Check out this article from 2015 regarding available apps.