Identifying and locating users on a mobile network

At least one non-transitory storage device storing instructions that, when executed by one or more processors, cause the one or more processors to perform operations comprising:

• receiving, by a first mobile device at a user interface of the first mobile device, one or more user inputs instructing the first mobile device to share a location of the first mobile device with a second mobile device, the one or more user inputs indicating an expiration time;
• estimating the location of the first mobile device;
• sharing the location of the first mobile device between the first mobile device and the second mobile device until the expiration time;
• receiving, at the first mobile device, an indication of a location of the second mobile device determined by the second mobile device;
• and
• presenting, on the user interface of the first mobile device, a first portion indicating the location of the second mobile device, a second portion indicating a time at which the location of the second mobile device was determined, and a third portion indicating the expiration time.

A system, comprising:

• one or more processors;
• and
• at least one non-transitory storage device storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
• receiving, by a first mobile device at a user interface of the first mobile device, one or more user inputs instructing the first mobile device to share a location of the first mobile device with a second mobile device, the one or more user inputs indicating an expiration time;
• estimating the location of the first mobile device;
• sharing the location of the first mobile device between the first mobile device and the second mobile device until the expiration time;
• receiving, at the first mobile device, an indication of a location of the second mobile device determined by the second mobile device;
• and
• presenting, on the user interface of the first mobile device, a first portion indicating the location of the second mobile device, a second portion indicating a time at which the location of the second mobile device was determined, and a third portion indicating the expiration time.