Except in a gold rush everyone is trying to get a piece of a real, actual resource.<p>What are folks flocking to?  A unique combination of deep VC pockets and gullibility that can only be found in the SF geological record?<p>No, this looks more like a regular ol bubble to me... The flywheel is spinning up, driven by run of the mill irrational exuberance and a belief that everyone in the bay area is just smarter than everyone else.  Anyone on wall street in 2007 should find that eerily familiar...