AOL Instant Messenger ("AIM", http://www.aim.com) is an instant messaging application that allows its users to communicate in real time via text, voice, and video over the Internet. It is maintained by AOL LLC. AIM Pro is AOL's business-oriented version of AIM targeted for professional use with an emphasis on "business-grade" security and integration with email client and other productivity applications (http://aimpro.premiumservices.aol.com/) AIM Lite, as defined in its website (http://x.aim.com/laim/), is a reference application used to test new technology also developed by AOL and available for the public in the form of a "light IM client".
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