Data distribution system using coordinated analog and digital streams

A computer program device readable by a machine, tangibly embodying a program of instructions executable by a machine to perform method steps for distributing broadcast of data over one or more channels of a broadcast network, said method comprising steps of:

• broadcasting a first type content and a second type content over separate channels;
• receiving broadcast content on client device as requested by a viewer by tuning to channels, a tuned channel carrying said first type content, said first type content having control information for providing at least one channel number related to data units associated with a second type content;
• decoding said first type content and extracting control information from said first type content;
• receiving and decoding said second type content and extracting the data units associated with the second type content based on the control information;
• combining broadcast content and data units of said second type content at the viewer location;
• and
• displaying to a viewer said combined content.