4 Lessons Every Entrepreneur Can Learn from RIM's Downfall

Another once-great company with a market-dominating product may be in danger of becoming extinct. This time it's Research in Motion, the Waterloo, Ontario-based maker the BlackBerry line of mobile devices. Yesterday RIM announced a $518 million quarterly loss, the elimination of 5,000 jobs and the delay for the release of the BlackBerry 10 smartphone.

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