A ton of people played StarCraft II when it was first released, then moved on. To keep playing it, over and over, means you're getting more out of it than just seeing Jim Raynor clomp around for a few hours. If you're standing on the outside and ever wondered just what that is, this video will help.
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Made by Stephen Pell and Virginia Anzengruber, and starring Evan Ballnik, it's not a long video, but it is a classy one, getting past bright lights and obnoxious soundtracks to get straight to the point: asking what's so special about StarCraft.
Starcraft - A Blank Canvas [YouTube]