There's that too. If I were a social researcher rather than a biology/computer science researcher, I think I would be banging down the door of Twitter headquarters for unfettered access to their raw data.
In some respects, Twitter has become the human social genome project.
Or the PepsiCo Zeitgeist, which I designed & developed with my husband for the SXSW conference. The conf's over now so the experience isn't the same, but videos of it in action are here:
In some respects, Twitter has become the human social genome project.