| 摘要 |
A candidate companion screen device is located by a primary display device as being in the same room as the primary device using IRDA, and in response ancillary content related to content being shown on the primary display device is provided to the companion screen device. The ancillary content may be provided from the Internet based on information in the content being presented on the primary display device by, e.g., providing a link to a website to the companion device. |
