Addlepated privacy freaks gripe about it. Advertisers remain leery. Financial analysts debate its valuation. But college students remain thoroughly enamored with Facebook.

They know that Facebook's main purpose is violating their peers' privacy. Hence "Facebook Stalking," an original ditty by Straight No Chaser, an Indiana University a capella group. "Thank you, Mark Zuckerberg!" Remind me: When's the last time someone sang about how grateful they were to Bill Gates or Larry and Sergey?