The Mozilla Location Service (MLS) is an open service which lets devices determine their location based on network infrastructure like WiFi access points and cell towers. This network based location service complements satellite based navigation systems like A-GPS. Combined these two approaches are one of the foundations for enabling context aware applications.

This open service relies on a community of contributors, ranging from individuals collecting data, developers using and innovating on top of the service to organizations sharing information about their infrastructure.

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