RIM has been the entrenched market leader. Abandoning all that made it successful would be equivalent to the Digg redesign. Instead of placing bets on RIM's co

RIM has been the entrenched market leader. Abandoning all that made it successful would be equivalent to the Digg redesign. Instead of placing bets on RIM's comeback play we'd be analyzing the wreckage of RIM's sudden implosion. Google and Palm had no users. They could afford to completely change focus and abandon the existing user base.