As Facebook goes corporate, Mark Zuckerberg loses an early
player  It's part of the natural evolution of a fast-growing
company for some early execs to jump ship when they no longer
recognize the start-up they helped build. That might've been why
longtime Facebook CTO Adam D'Angelo has departed.   On Sunday,
word got out that Adam D'Angelo, chief technology officer at
Facebook and a friend of founder Mark Zuckerberg since high
school, had submitted his resignation on Friday. D'Angelo had
been one of Facebook's first employees, though he did not have
formal "co-founder" status.  Reports swirled that he was at odds
with Zuckerberg, or that he was no longer interested in the
position; whatever the reason, I speculate he may have timed the
announcement so that it came after Facebook's announcement of
its Facebook Connect data portability project had been
finalized. As CTO, D'Angelo, who didn't keep a very high profile
in the company, would likely have overseen many of Facebook
Connect's operations.  The indie-ban