In 2008, Paul Graham mused about the cultural differences between great US cities. Three years earlier, Graham had co-founded Y Combinator, a “startup accelerator” that would come to epitomize Silicon Valley — and would move there in 2009. But at the time Graham was based in Cambridge, Massachusetts, which, as he saw it, sent a different message to its inhabitants than did Palo Alto.

Cambridge’s message was, “You should be smarter. You really should get around to reading all those books you’ve been meaning to.” Silicon Valley respected smarts, Graham wrote, but its message was different: “You should be more powerful.”

Read the full article in Bloomberg Weekend.