Over the past 6+ years there have been several versions of WordPress released, the latest being WordPress 2.8, many people do upgrade to the latest available version or in many cases start out with the latest version available, however over time not many users upgrade their installations. It would be interesting to know which versions of WordPress you are using, if you are using a earlier versions, if possible please let us know the reason you are still using it. Poll requires JavaScript, please visit the site to vote Do feel free to share your views about which version you are using.