An improved interactive network system is provided that allows the Network Operator to control the transfer of information to and from the network end users, the system preferably using triggers or markers embedded within the programming broadcast to users via the network. As a consequence of this system,...http://www.google.com/patents/US20040172343?utm_source=gb-gplus-sharePatent US20040172343 - Method and system for controlling and auditing content /services systems
