Patent ID: 8554670

Claim:
A computer-implemented method, comprising: a first computer of a social network receiving electronic transaction data of a completed transaction resulting from a prior purchase of an item made by a member of the social network from a merchant when the member visited a location of the merchant, wherein the member did not electronically check in at the merchant location with a mobile communication device when the member was at the merchant location, the first computer receiving the electronic transaction data through a first network from a second computer storing respective electronic transaction data of respective purchases of respective items by respective members of the social network from respective merchants; determining the merchant location from the received electronic transaction data with at least one of the first and second computers; comparing the determined merchant location and a check-in location of the social network with at least one of the first and second computers; and identifying the missed electronic check-in based at least in part upon the comparison with at least one of the first and second computers.