Research in Motion President and co-CEO Mike Lazaridis delivers a keynote address at the BlackBerry Devcon Americas on October 18, 2011 in San Francisco, California. According to reports December 15, 2011, RIM, the maker of BlackBerry, reported profits that beat forecasts, but the stock price dropped after a weak future guidance was issued by the company. (Justin Sullivan/Justin Sullivan/Getty Images)
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Video timeline: Rumours about RIM's future
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