Idiots. The change to HDTV has nothing to do with being able to charge more for ads. The reason the industry is (already) changing to HDTV is because the analog TV broadcaast system will be turned off in a few years (at least in the US and Europe) because there are better uses for all that bandwidth. HDTV/EDTV/SDTV doesn't matter, as long as it's digital. Once you have digital TV, you have HDTV capability, so you might as well use it...
Idiots. The change to HDTV has nothing to do with being able to charge more for ads. The reason the industry is (already) changing to HDTV is because the analog TV broadcaast system will be turned off in a few years (at least in the US and Europe) because there are better uses for all that bandwidth. HDTV/EDTV/SDTV doesn't matter, as long as it's digital. Once you have digital TV, you have HDTV capability, so you might as well use it...