But if a computer is required to buy a TV show online, how can reducing the number of computers capable of making such a purchase not also reduce the number of TV shows purchased?
hehe, easy, lets say right now its 5% of pc users +5% of mac users, which is 5% of total computer users
and if NBC can expand their pc users base to 6%, then its 6x.95=5.7% of total computer users. larger than current situation.