| 摘要 |
Apparatus and methods are described that allow content associated with specified passages of a video program to be retrieved from a network and presented to the viewer of the video program in synchronization with the identified passages. A video waymark host that may be located in a television monitor or attached equipment such as a set-top box is disclosed. The waymark host identifies the occurrence of various points as the video is viewed and communicates this information to connected viewing devices such computers or mobile phones, allowing for the synchronized presentation of content on these devices.
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