Short for AOL Instant Messenger, AIM is a public IM network that was launched by AOL in 1997. AIM is an advertising supported platform, meaning its users will often see ads displayed while using the client. AIM supports file-sharing, buddy lists, RSS feeds, the capability to send messages to users who are offline, a universal address book, AIM pages, AIM bots, a customizable interface, AIM plug-ins, and other features. Current AIM clients include AIM 6.8, Pro, AIM express, AIM Triton, as well as an assortment of beta and mobile clients. AIM is available for Windows, Mac, and Linux platforms.