In one embodiment, a method includes identifying a second user of a social-networking system authorized to receive data of a first data type from a first wireless device, the identifying based on one or more attributes of one or more edges between nodes in a social graph of the social-networking system, one of the nodes corresponding to a first user and another of the nodes corresponding to the second user. The method also includes determining a distance between the second user and the first wireless device. The method further includes sending the data of the first data type when the distance is less than a specific distance.