RIM have announced that BlackBerry Tag, which will be incorporated in the next BlackBerry 7 OS update, will allow users to share contact information, documents, URLs, photos and other multimedia content by simply tapping their BlackBerry smartphones together. BlackBerry Tag will also enable friends to instantly add one another as contacts on BBM (BlackBerry Messenger).   Quote "BlackBerry Tag is an exciting and innovative feature that makes sharing contact information and multimedia content effortless and seamless,” said Jim Balsillie, Co-CEO at Research In Motion. “BlackBerry Tag opens a new dimension to the BlackBerry platform that is powerful, simple and intuitive and we think it will be welcomed by both users…