A BlackBerry device in front of a sign for Research In Motion(The Canadian Press Images-Stephen C. Host)

By the measure of William Shakespeare, what's past is prologue. And indeed, the same is true for Research In Motion, the down-on-its-luck tech giant that has a rich history longer than you may know.

Certainly, the moves and strategies of RIM have led to where it is now, so with the future of the Ont.-based business seemingly at a crossroads, MSN looks back at some of the BlackBerry maker's most important company milestones.

* All figures in USD.

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