Discover why some stores still require a signature for credit card purchases, and how technology is changing the need for ...

First available as external devices for one type of card, readers were subsequently built into the computer to handle all popular formats. Also known as a "memory card reader/writer," "flash ...

Here are our top picks for the cheapest credit card processing companies. We've also included why they stand out and what type of business they’re best for. 250+ small-business products reviewed ...

All in one card readers are great accessories for transferring files to your smartphones, tablets and computers. It’s especially essential for photographers as all the photos and videos are ...

If you’ve worked with passive RFID before, you know that most readers only work within inches of the card. In [Fran’s] DEFCON talk this summer he calls it the “ass-grabbing method” of ...