Where Digg Fails, A Success for StumbleUpon

Where Digg Fails, A Success for StumbleUpon: "By now you have probably read the countless articles about how flawed the contextual advertising system is on Digg. The system at Digg is certainly flawed, but not just in terms of contextual advertising. And one site - StumbleUpon - it seems, plans to capitalize on those flaws (and very well might be successful in doing so)."