Patent ID: 8577734

Claim:
One or more non-transitory computer readable storage media comprising computer readable instructions that, responsive to being executed, are configured to cause a hand-held computing device to: establish a communication link with a publicly-accessible computing device; access a shopping list that is stored at a remote server via the publicly-accessible computing device, the shopping list including user preferences; transmit to the publicly accessible computing device, via the communication link, a location information which is at least one of an identifier, a time-of-flight information, and triangulation information for a particular transmitter of a network of local wireless transmitters, wherein an algorithm to compute a location of the hand-held computing device within different areas of a retail location comprises the location information; in response to transmission of the location information, receive promotional information selected based on the user preferences and associated with one or more products located within a particular area of the different areas corresponding to the particular transmitter, the promotional information received by the hand-held computing device based on the location; and determine an aisle identifier based on an identity of the particular transmitter.