Introduced in 1998 with 4MB and 8MB capacities, the original 2" modules looked like a short stick of chewing gum. Sony also designed Memory Sticks as I/O devices for cameras, GPS and Bluetooth ...

Sony Ericsson's ... a 1.3 megapixel camera, and an industry-leading QVGA display. Other features include Bluetooth, 32 MB built-in memory, and a Memory Stick Duo expansion slot.