Quora bills itself as nothing less than “your best source of knowledge”—not your dad, not your librarian, not Wikipedia. The company, spawned by two righteous Facebook alumni (one since ousted), has raised tens of millions from investors who think it can back this claim up.

via Is Quora Actually Smart? | ValleyWag.

Quotable: “But there’s a reason you can’t shout in the library—noise is everything, and Quora is rattling with crude, alienating noise.”