Generating user notifications using beacons on online social networks

One or more computer-readable non-transitory storage media embodying software that is operable when executed to:

• receive, from a beacon associated with a third-party content provider, current session information associated with a first user, wherein the current session information indicates that a first client system of the first user is in an active wireless communication session with the beacon;
• identify one or more second users, wherein each identified second user is within a threshold geographical distance of the beacon, and wherein session information associated with each of the one or more second users indicates whether or not a second client system associated with the respective second user is in a wireless communication session with the beacon;
• select one or more of the one or more identified second users based on a determination that the session information associated with the respective selected second user indicates that the second client system associated with the selected second user is not in a wireless communication session with the beacon;
• and
• send, to the first client system, a notification referencing the selected one or more second users.

A system comprising:

• one or more processors;
• and a memory coupled to the processors comprising instructions executable by the processors, the processors being operable when executing the instructions to:
• receive, from a beacon associated with a third-party content provider, current session information associated with a first user, wherein the current session information indicates that a first client system of the first user is in an active wireless communication session with the beacon;
• identify one or more second users, wherein each identified second user is within a threshold geographical distance of the beacon, and wherein session information associated with each of the one or more second users indicates whether or not a second client system associated with the respective second user is in a wireless communication session with the beacon;
• select one or more of the one or more identified second users based on a determination that the session information associated with the respective selected second user indicates that the second client system associated with the selected second user is not in a wireless communication session with the beacon;
• and
• send, to the first client system, a notification referencing the selected one or more second users.