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Location-based services

  • US 10,708,712 B2
  • Filed: 08/20/2019
  • Issued: 07/07/2020
  • Est. Priority Date: 05/27/2005
  • Status: Active Grant
First Claim
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1. A method for presenting location-based alerts on mobile phones, the method comprising:

  • determining user locations based on mobile phone locations of mobile phones associated with one or more of a plurality of users, each of the mobile phone locations determined based on location data transmissions from the mobile phones, a frequency of at least some of the location data transmissions determined by preferences of the plurality of the users;

    communicating with a first mobile phone to present an interactive map interface for display on the first mobile phone of a first user of the plurality of users, the interactive map interface for indicating names of physical locations and one or more users of the plurality of users, the interactive map interface further for indicating a plurality of pictures, each of the plurality of pictures associated with a respective one of the physical locations or a respective one of the one or more users;

    comparing the mobile phone locations with borders of a geofence, the geofence defined by using a physical location selected by the first user; and

    in response to a determination, based on the comparison, that a second mobile phone of a second user of the plurality of users has crossed the geofence, presenting an alert to the first mobile phone.

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