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Definition: BlackBerry Messenger

The instant messaging capability between BlackBerry phones that allows pictures and other files to be sent as well as text. To "BBM someone" is to send a message from a BlackBerry to a recipient with a BlackBerry. BlackBerry Messenger 5 (BBM 5) added a QR code reader to quickly read another person's contact information as well as any QR mobile tag.

Introduced in 2012, Version 7 (BBM 7) enables voice calls over Wi-Fi, which saves carrier per-minute charges. See BlackBerry and mobile tagging.