| 摘要 |
<p>A method of controlling an electronic sign is provided. Identification information is received from a plurality of mobile devices approaching an electronic sign. Using the identification information, user profiles corresponding to the plurality of mobile devices are retrieved. Information from the user profiles is then aggregated. An advertisement or message to display to the plurality of mobile devices is then identified based on the aggregated information. The advertisement or message is then caused to be displayed on the electronic sign.</p> |
