Enabled and disabled menu choices based on presence state
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Systems for messaging senders and recipients of an electronic message
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Presenting a recipient of an e-mail with an option to instant message a sender or another recipient based on the sender's or the other recipient's address and online status
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Automatically enabling the forwarding of instant messages
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Systems and Methods for Multicast Communication
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Systems and methods for building and using social networks in image analysis
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Enabling and exercising control over selected sounds associated with incoming communications
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Mobile blocking indicators on a contact list
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Sharing social network information
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Passively populating a participant list with known contacts
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Dynamic location of a subordinate user
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Intelligently enabled menu choices based on online presence state in address book