| CPC H04W 64/00 (2013.01) [H04W 4/021 (2013.01); H04W 4/023 (2013.01); H04W 4/029 (2018.02); H04W 4/21 (2018.02); G08B 2001/085 (2013.01); H04W 4/33 (2018.02)] | 19 Claims |

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1. A system comprising:
a processor configured to:
determine first location information associated with a first user;
determine second location information associated with a second user;
determine, based on the first location information and the second location information, that the first user and the second user have crossed paths; and
in response to determining that the first user and the second user have crossed paths, cause a transmission of a first notification to a user device of the second user, the first notification indicating the first user and the second user have crossed paths, wherein the first notification comprises a time difference associated with when the first user and the second user crossed paths; and
an interface operably coupled to the processor, configured to transmit the first notification to the user device.
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