Swipe Magnetic Card

These cards are read by swiping or inserting them into a reader, which detects the magnetic field generated by the strip. Magnetic stripe cards can be reprogrammed and can also feature text, images, and be used as identification badges. However, they have limitations such as wear over time.

Most probely used in IT Based Projects specially in CRM (Loyalty Card Managment System)

to redeem and substruct points for customer databased.