We’d like to welcome Clay Shirky, who will be guestblogging with us for a week. Clay is a consultant, journalist, sometime academic, and general _provocateur._ His recent book, Here Comes Everybody (Powells, Amazon) is a very good, well-written and interesting take on how the Internet has lowered the transaction costs of group formation, and the consequences this has for politics, commercial relatoins etc. It’s one of the best books on the Internet that I’ve read in the last few years. We’re happy to have him on board.