General impressions of Mark Zuckerberg’s speech at yesterday’s TechCrunch TC Disrupt conference have been mixed with good reason: The Zuck called his company’s post-IPO performance “disappointing” and hinted vaguely at the profit potential of mobile ventures that the public is obviously way too dumb to understand while acknowledging that Facebook’s mobile apps aren’t as good as they should be; still, investors have confidence in his ability to stay atop the social flock, and stock prices rose nearly 5% after his speech.

The Zuck tried very hard to convince all interested parties that he knows exactly what he’s doing. The key quote: “For me it’s not about fun, it’s about mission. I’d rather be in the cycle when people underestimate us.”

While considering whether smartphones like the brand new iPhone 5 will save Facebook, we figured that now is a perfect time to re-pose the perennial question: Has the social network already reached its peak capacity and influence?

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