Why to Move to a Startup Hub  —  After the last talk I gave, one of the organizers got up on the stage to deliver an impromptu rebuttal.  That never happened before.  I only heard the first few sentences, but that was enough to tell what I said that upset him: that startups would do better if they moved to Silicon Valley.

Source:   Paul Graham: Essays

Link:   http://www.paulgraham.com/startuphubs.html