Don't forget, this is the morning of the
live HDTV broadcast from the International Space Station, being shown exclusively in Japan on NHK and elsewhere on Discovery HD Theater. The Sony HD camera was donated by the Japan Aerospace Exploration Agency (JAXA), so that we can get the best look at space available without heading to the local IMAX theater. Commander Michael Lopez-Alegria and engineer Mikhail Tyurin will host the event, while third crewmember Thomas Reiter operates the camera. Hopefully this is the first of many live broadcasts, which are preferred because it saves money from transporting extra weight in the form of tapes to and from the ISS. The broadcast kicks off at 11:30 am EST and will re-air at 9 p.m. and midnight.
While you're kicking back and enjoying some HD content on a lazy Sunday it is easy to give little regard to the economics that make that HD content possible. Most don't care much about what makes the world go around, but if you've always wondered why there aren't more all-HD channels, this recent post over at Multichannel news is worth the read. Most notable is the challenges all-HD networks face including the fact that Nielsen doesn't even provide rating for them. If you're a big Mark Cuban fan you might also find it interesting as a number of his quotes are included like when he says "We really think that as our distribution continues to grow, we can dominate the demographic (13-34 males)."
When we heard that 
