A system and method for interactive events relating to broadcast content, whether provided over the television, internet, or other means, provides messages that can be transmitted to different types of user devices, including personal computers, set top boxes, net top boxes, and wireless clients. The...http://www.google.com.au/patents/US20020133827?utm_source=gb-gplus-sharePatent US20020133827 - System and method for recording and playing back interactive content during a broadcast event
