06968179 is referenced by 503 patents and cites 11 patents.

An information service provides search and notifications to inform when certain people (e.g., friends, family, business contacts, etc.) are nearby so as to facilitate communications with those people. Users may define lists of people whose locations may be tracked by positioning equipment based on personal communications/computing devices carried by the people. The information service processes this people and place data to identify those of the listed people that are in the user's vicinity, and provide notifications and user-initiated search results informing the user such as via the user's personal communications/computing device.

Title
Place specific buddy list services
Application Number
9/626170
Publication Number
6968179 (B1)
Application Date
July 27, 2000
Publication Date
November 22, 2005
Inventor
Jean Pierre De Vries
Kirkland
WA, US
Agent
Klarquist Sparkman
Assignee
Microsoft Corporation
WA, US
IPC
H04B 001/38
H04Q 007/20
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