Your Android phone's web browser picks up a lot of files, images and data from the websites that you visit every day, and a lot of that does not need to be on your ...

Pronounced ‘cash’, this is an area of memory on your device where small, temporary files are kept. These are often useful and speed up performance by allowing the CPU to access regularly used files ...

Mike Sorrentino is a Senior Editor for Mobile, covering phones, texting apps and smartwatches -- obsessing about how we can make the most of them. Mike also keeps an eye out on the movie and toy ...