| 摘要 |
<p>This document discloses a solution for maintaining information on locations of consumer products in a location tracking area. Customers are provided with personal electronic devices comprises a camera sensor arranged to capture images of consumer products provided in the location tracking area. The locations of the customers are also tracked in the location tracking area. The locations of the products may be maintained by monitoring locations where the personal electronic devices capture the images of the consumer products.</p> |
