Industry networking group for digital interactive television.
Research and development consortium of cable TV companies for North and South America with initiatives for cable modems and digital cable TV.
UK-based industry group of companies devoted to standards for DVB and digital television.
Articles and essays on interactive TV by Ken Freed.
W3Cs section on specifications for the emerging technology.
SURPRISE 96 journal report on interactive TV by Keval Pindoria and Gerald Wong.