Go2Web20 is a complete directory of web 2.0 site and services. The service is born around mid 2006 and around 1107 logos as of 15 April, 2007. The directory is laid out visually, with each sites logo in a rectangle. If you move mouse over any rectangle you get a tool tip like pop up that will show you further information about the site. Click on site and more information is displayed in a bottom pane that slide open. You can then choose to visit the site or move to the next one