| 摘要 |
A second screen system (100) comprises a first screen (110) that renders a first content (140) comprising watermarks of a first type (WM1) and watermarks of a second type (WM2). The watermarks of the first type (WM1) are captured by a second screen (120) that reacts to these watermarks. The second screen (120) displays information to a user and receives user input. The second screen (120) also watermarks a second content with watermarks of the second type (WM2) and renders the second content. A third device (130) captures watermarks of the second type in both the first content (140) and the second content. Since the watermarks embedded by the second screen (120) can depend on the user's actions, the third device (130) can indirectly react to the user's actions. |
