"I was Double Surfing Lost to try and figure out what other shows the actors appear in."
Generally falls under 3 categories:
1. TV as background or as fallback entertainment during long, computer-slowing downloads
2. Engaging in social networking or micro-blogging (Facebook, Twitter) while watching a specific program
3. Augmenting the tv viewing experience by researching aspects of a show. This practice is deliberately catered to by many programs in order to affect a sense of interactivity