One of the latest to go on the market is the ComPass Card in Hong Kong, which works as a credit card, a bank and supermarket card, and even awards bonus points on the holder's birthday.

CNN: ASIANOW - Asiaweek

The top board features a color LCD, a microSD card slot, an EEPROM, a speaker, a compass, a knob plus some buttons and LEDs.

ENGADGET

The top board faetures a color LCD, a microSD card slot, an EEPROM, a speaker, a compass, a knob plus some buttons and LEDs.

ENGADGET