Media critic Douglas Rushkoff believes that the hype surrounding Facebook will fade. Just as all signs are pointing up for the social network and MySpace is showing symptoms of decline, he asserts that they're going down. This stark forecast comes at a time when many musicians are wondering where to invest their time. MySpace is out and for the moment, Facebook is in. However, Rushkoff says the history of the web has another lesson for us. Genius or not, Zuckerberg's days are numbered. Watch:

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