ONLINE PRESENCE OF USERS
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United States of America Patent
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N/A
Issued Date -
Jul 26, 2012
app pub date -
Sep 10, 2009
filing date -
Sep 10, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention concerns presence of users, such as online presence in a broadcast domain. First one-way encrypted (e.g. hashed) presence information of multiple users is received (42) from their respective devices. Then for each received presence information, attempting to match (44) that received hashed presence information to a token of a stored set of tokens where each token corresponds to a user. The presence of a subset of the multiple users for which a matching token is in the stored set is determined, causing the generation (46) of an indication of the presence of one or more users of the subset of the multiple users. Aspects of the invention include methods, systems and software.
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