High Quality Content by WIKIPEDIA articles! BlackBerry Messenger (abbreviated BBM) is a proprietary Instant Messenger application included on newer model BlackBerry devices. It was developed by Research in Motion. Messages sent via Blackberry Messenger are sent over the BlackBerry PIN system; thus, communication is only possible between two BlackBerry devices. Exchanging messages is also possible via dedicated discussion or chat rooms, which allow multiple BlackBerry devices to communicate in a single session. In addition to offering text-based Instant Messages, BlackBerry Messenger allows users to send pictures, a wide selection of emoticons (also known as "smileys") and other files over the Blackberry network. With the release of BlackBerry Messenger 5.0, RIM allows users to use their unique QR Code 2D (matrix) barcode to add each other to their respective friends lists rather than using only numeric PIN identification.

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