<http://schema.org/description>
"TV shows rely on advertising to stay on the air and in production. However, thanks to the popularity of TV on DVD, this model is slowly changing. How have DVDs helped to expand the life cycle of your favorite TV shows?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://people.howstuffworks.com/culture-traditions/tv-and-culture/dvds-changed-lifespan-of-tv-shows.htm>