If you're a Twitter addict but work in an office that doesn't condone your tweeting habits, you have a few options: You could actually do work; you could make yourself paranoid by looking over your shoulder as you post, or you could download SpreadTweet, an Adobe AIR-based Twitter client that looks exactly like a Microsoft Excel Spreadsheet. It'll let you post to Twitter freely, and when the boss walks by behind you, he'll think you're working--as long as he doesn't lean into see which spreadsheet you're working on...