Yahoo invisibility Detector
yscan.info gives you the opportunity to detect the status ( Online, Offline or INVISIBLE ) of any yahoo messenger related id. Our detector can be used at any time totally free. It can now detect invisible users on Yahoo! messenger, Meebo, Pidgin, eBuddy and more means that your friends can hide from you by changing their status to Invisible, that way think they are offline but it is not true.