| 摘要 |
A system in which an audience, each with a computing device, and without printed material, is given restricted access to data as directed by the presenter. The presenter is able to alter the scope and content of the restrictions periodically, and also to direct the audience's computing devices to display particular data. The data presented may include interactive web applications. An exemplary embodiment comprises the presenter's laptop computer 11 from which data is served; the presenter's control tablet 12, which is used to direct and control the operation of the network router 14; laptop computers 13a and tablets 13b belonging to the audience, which display data served by laptop computer 11 and are controlled by tablet 12, by means of network router 14. |
