# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-04-09 07:10:48 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/56615024449433600) RT @sfschroeder: Why Can't Developers Estimate Time? http://t.co/RSFZZs4 via @patchspace