The tweets presented below were sent during the HD Communications Summit, September 15, 2009.  Some formatting and selective spelling correction done for readability.

Robert Graves, Chairman, ATSC Forum

Graves – from Bell Labs/AT&T, got involved with video, went to ATSC
Graves – Spent lot of time evangelizing about ATSC/digital TV/HDTV
Graves – ATSC now a whole family of standards, including [...]