There's a reason why some SD cards have a tiny switch on the side. It's actually there to help protect the data onboard, but it's not as foolproof as it seems.

The San Diego Public Library (SDPL) is offering limited-edition library cards and special programming for San Diego Comic-Con, all for free.

The California State Library Parks Pass, which gets you visit many state-operated parks for free, can be checked out like a book.

If you're after a huge amount of Micro SD card storage for a fantastic price, this multi-by discount from SanDisk is not to be missed.

The California State Library Parks Pass, which gets you visit many state-operated parks for free, can be checked out like a book.

Overdrive has discontinued support for multiple library cards on Rakuten Kobo e-readers.