Research in Motion's Jim Balsillie's currently in Dubai, gassing about how amazing the latest update to BlackBerry 7 OS will be -- probably between trips to the beach. When it arrives, those crackberries equipped with NFC (Bold 9900 / 9920 and Curve 9350 / 9360 / 9370) will get BlackBerry Tag. You'll be able to tap two phones together to share contact details, multimedia content or add new friends to your
