Bloomberg is reporting that Bill Gates is thinking of working at Microsoft one day a week. He would also be giving up his post as chairman of the board, while remaining on the board of directors. Gates' work would focus around new product development. Gates reputation for putting people through extraordinary difficult product reviews. Having Gates come back in a more product focused role could be good for Microsoft, who has drifted away from making products that better the users experience under departing CEO Steve Ballmer.