Gtalk as we know is Google’s AIM, a simple and lightweight Messenger. However, it lacks some features compared to Yahoo Messenger and MSN. The Gmail chat has the option to go Invisible. but there’s nothing like “Invisible Mode” in Gtalk yet to keep annoyers at bay. But what one can do is set the status to “Always idle” and pretend like they are away from PC. gAlwaysIdle is one such tiny software that will help to do the same.