Crankjam – a social network for rock climbers

On a scale of 1 to 10, Crankjam seems creepy and weird.
Wait, hold on.  Let me explain.
While on Facebook, I saw an advertisement related to rock climbing.  I like rock climbing.  So I said to myself: “Why don’t you check that out.”  The ad suggested that the advertisers in question were seeking Beta testers to [...]

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