PARANOIA? . . . "Facebook’s Copycat Tendencies: A Sign of Strength, not Weakness," by Sarah Lacy--
Mark Zuckerberg is a classic wartime CEO, even though it may appear he’s long since won this war. He is clearly intensely paranoid, perhaps the most paranoid CEO we’ve seen since the legendary Andy Grove. He might as well have a $60 gillion valuation. He operates the company as if it could crumble at any moment. And that’s why, to date, no social network has come close to toppling it.
A good analysis of Facebook's business strategies . . .