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Presence @ Winterschool 2008
This document discusses the concept of presence in online communication and interaction. It defines presence as the exposure of personal states to others and awareness of others' states through ambient communication. It explores how presence has evolved from features like away messages to status updates. It outlines how presence is used to manage attention, facilitate interactions, and allow self-expression. It also describes how presence information such as availability and location is produced, mapped to semantics, and consumed through technologies like social networks and microblogs.
