BlackBerry is mobile devices developed by Canadian company Research In Motion (RIM).

The BlackBerry is primarily known for its ability to send and receive e-mail wherever it can access a wireless network of certain cellular phone carriers.

It commands a 20% share of worldwide smartphone sales, making it the second most popular platform after Nokia's Symbian and is the most popular smartphone among business users.

Most current BlackBerry models have a built-in QWERTY keyboard, optimized for thumbing, the use of only the thumbs to type, and there are also several models that include a standard cell phone keypad for typing and full touch-screen devices with no physical keyboard.