Patent ID: 8164488

Claim:
A method comprising: determining at a message selector remote from a display a first flow characteristic of a flow based on information provided by a flow detector proximate to the display, the flow comprising a plurality of users able to view the display that is stationary with respect to the flow, the flow comprising at least one targeted user; generating at the message selector remote from the display a first message, the first message comprising a first content related to a subject matter, the first message and the first content based on the first flow characteristic of the flow, the subject matter not indicative of the first flow characteristic of the flow; transmitting to the remote display the first message to be displayed on the display that is stationary with respect to the flow and that is viewable by the at least one targeted user; detecting a change in the first flow characteristic of the flow; and changing at the message selector the first content of the displayed first message to a second content of the displayed first message, the second content based on the detected change in the first flow characteristic of the flow and related to the same subject matter as the first content.