Well this is going to be interesting.
ABC to Offer (FREE) Ad-Supported TV Show Downloads:
Viewers will have the ability to access shows such as ‘Lost,’ ‘Desperate Housewives’ and ‘Grey’s Anatomy’ on ABC.com [and presumably iTunes?]. They will be ad supported, free to the consumer.
First off, I love how they cheekily present this as being a "free to the consumer" experience. Nevertheless, that's basically your standard free speech versus free as in beer discussion, so I won't rehash it here.