"They have a ton of traffic that they need to monetize," says Wolff. "So if you think about it, it is really not that much of a problem." Not for the venture capitalist and early-stage investors, at least. But when it comes to wooing public investors, who crave the certainty of long-term stability, those issues are more of a worry. Twitter has time to solve them—at least for the next year, which in social media terms is a very long time.
Corrected on 02/28/2013: A previous version of this story misstated the number of tweets per second on Twitter. It is thousands per second.