A method of monitoring a user is provided. The method comprising: receiving a reminder request from a first user device, the reminder request requesting an alarm to activate on the first user device when the first user device is within a selected distance of a second user device; detecting a first current position of the first user device; detecting a second current position of the second user device; determining a distance between the first current position and the second current position; determining whether the distance is less than or equal to the selected distance; and activating an alarm on the first user device when the distance is less than or equal to the selected distance.
展开▼