<A target="_blank" href="http://www.wired.com/dualperspectives/article/news/2009/05/games_wired">Byron Reeves got tired of all the corporate e-mail junk</A> in his inbox. Instead of getting mad he decided to turn it into a game. Now, if you want people to read your e-mail, you can attach tokens that cause your message to "float" to the top but if you send out too many messages, you might run out of tokens.