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user: brianmwang created: 2010-02-10 karma: 518 http://twitter.com/brianmwang submissions: Are we working hard enough? 1 points | 0 comments 0 points | 0 comments Zirtual: What Happened and What’s Next 32 points | 21 comments 0 points | 0 comments 0 points | 0 comments Fitocracy introduces Group Fitness to open professional training to the masses 1 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments Exercise Apps Don't Always Work Out, Study Says 3 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments