Skimming through the backlog of emails and feeds, I discovered this earth-shattering news: my brain is a social network: no wonder I hear voices all day long. Roland Piquepaille ran a piece about this last month on ZDNet. Looks pretty interesting. Our brains seem to have something like gates that can open and close, allowing information to pass through or not. For a range of articles along these lines, see this issue of Science and be sure to check out all the PDFs at the bottom of the article.