BlackBerry is a line of mobile email and smartphone devices developed and designed by Canadian company Research In Motion (RIM) since 1999.[2][3]
BlackBerry devices are smartphones, designed to function as personal digital assistants, portable media players, internet browsers, gaming devices, and much more. They are primarily known for their ability to send and receive (push) email and instant messages while maintaining a high level of security through on-device message encryption. BlackBerry devices support a large variety of instant messaging features, including BlackBerry Messenger.
BlackBerry accounts for 3% of mobile device sales worldwide...