1. An alert system, comprising: a processor; and a memory coupled to the processor, the memory being configured to store instructions, the memory storing instructions that are executed by the processor to: determine a physical location of a first user device, wherein the first user device is associated with a contact in a contact list of a second user device; determine a physical location associated with a task in a task list, wherein the task is initiated by the second user device; compare the physical location of the first user device with the physical location associated with the task; determine the physical location of the first user device matches the physical location associated with the task; in response to determination of the match: transmit an alert message indicating the task and an identity of the contact to a social network accessed by the second user device, the alert message being posted in the social network for display by the second user device, wherein the alert message comprises contact information for contact of the first user device, the contact information being displayed by the second user device upon access of the social network.