You can format an SD card using Windows, Mac, and Android devices, and likely your digital camera too.

These days, smartphones store all our information. We provide some information, and others are automatically tracked by them.

Q. I have an old cell phone that I want to donate. How do I wipe my address book and call history off of it? A. Many smartphones include a semi-obvious "reset" or "wipe" command to erase all your data ...