Contact aggregator

Content delivery system including content delivery...

Content rights management for email and documents contents...

Content router asynchronous exchange

Content update feature for an instant messaging service

Contextual mobile local search based on social network...

Control interface agent system and method

Controlling publication of presence information

Controls and displays for acquiring preferences, inspecting...

Conversation message routing supporting dynamic class...

Converting displayable portions of a text message into images

Cooperative browsers using browser information contained in...

Coordinating operations of network and host processors

Correlating data indicating at least one subjective user...

Correlation and analysis of entity attributes

Correspondent-centric management email system for...

Correspondent-centric management email system for...

Correspondent-centric management email system uses...

Countering spam that uses disguised characters

Countering spam through address comparison