they use powerpoint
You can try software called "µTorrent". It helps you get the files inside there if the TV show you want is in that format.
You can use mac-compatible Tv-on-PC software. One such example is Elgato's (http://elgato.com/) EyeTV. They sell both hardware and software for watching TV on your mac.
How to record over the air antenna program
You can use video editing software to remove commercials from recorded TV by cutting out the commercial segments and merging the remaining parts together.
A podcast can be a like any radio or TV show. The difference being that if you subscribe to a podcast then it will be delivered to you (usually via the iTunes software) for you to use whenever it is convenient for you; as opposed to a broadcast show which is at a fixed time and you have to arrange your schedule to catch it.
Depends on your compression software. Usaully with good software at the sacrifice of quality. 700 Megs for one hour.
Why not?
ulead video converter
Visual Impaired, Hearing Impared, Physical and Cognitive Impared
You would typically use minutes to measure the length of a television show.
Well a director directs a tv show and they use what we call money.
They use a Canon 7D