IMVU, a social networking and instant messaging client which uses 3D avatars to represent its users, announced Thursday that they have hired David Fleck to serve as vice president of marketing for the company.

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He had earlier built an instant-messaging client called Gaim, which has become popular among the open-source crowd.

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Apple says the new software has 150 new features, among them an instant-messaging client called iChat that's compatible with America Online 's (nyse: AOL - news - people ) AOL Instant Messenger.

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Some of the most interesting speculation has centered around iChat, Apple's instant-messaging client that lets users send messages using their buddy lists from AOL Time Warner 's (nyse: AOL - news - people ) AOL Instant Messenger.

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