主权项 |
1. A method comprising:
receiving, with one or more computing devices, a first photo taken by a first user via a first user device, the first user being associated with a social network; determining, with the one or more computing devices, a first location of the first photo; determining, with the one or more computing devices, a second location of a second user via a second user device, the second user having a connection with the first user in the social network; determining, with the one or more computing devices, whether the first location of the first photo matches the second location of the second user; sending, with the one or more computing devices, a first notification to the second user, the first notification including the first photo; responsive to sending the first notification to the second user, receiving, with the one or more computing devices, a second photo taken by the second user at the second location via the second user device; responsive to the receiving the second photo taken by the second user, sending, with the one or more computing devices, a second notification including the second photo to the first user and an indication of a time that elapsed between taking the first photo and the second photo; and receiving, with the one or more computing devices, a reaction from the first user responsive to the first user receiving the second notification. |