Memory Stick was launched by Sony in 1998. It is a removable flash memory card format which used to describe the whole family of Memory Sticks. The original Memory Stick includes family members such as Memory Stick PRO, a revision that enables maximum storage capacity and faster file transfer speeds; Memory Stick Duo, a small-form-factor version of the Memory Stick, and also smaller Memory Stick Micro (M2). Other members of memory stick are Memory Stick PRO-HG, launched in december 2006 by Sony only. Memory Stick PRO-HG is a high speed variant of the PRO which can be used in high definition still and video cameras.

Now consumers are smart enough as they are in constant touch with the latest updates of memory stick. The original memory stick you can purchase in sizes up to 128 MB. As of now the largest memory stick available is 32 GB. All these storage capacities enables the consumers to store tons of media files for regular usages. Mostly consumed for playing games, reading books, listening music, and storing other media contents.