Why conferences must talk about failure

The web failed to let me know about this one before it happened, but last week The first ever FAILCON event took place, where 400 people met to talk about and learn from failure (hat tip: Lynn). The only other thing like it I can think of is failcamp, which didn't get the buzz it deserved.

From the nice writeup on Wired, it appears the event went well and hopefully there will be more events like this, or perhaps even other well known events will adopt a "Learning from failure" track. If you...