Script Trigger (WebTV for Windows) - Script triggers are the primary triggers used in WebTV for Windows. See TV Crossover Links 3D Gesture Recognition Activate Air Mouse (Point and Click TV) Call to Action Control Device Drop-down Menu Hot Links Hot Spots Icon Input Device Interactive request-for-information Ads (iRFI) Interactive TV Game Controller Internet-connected TVs Radio Button Red Button Interactive TV Service, Press Red Remote Remote Control Rollover Synchronized Web Links Trigger TV Crossover Links Voice Recognition - (Speech Recognition) See the Interactive Television Institute.