If you let the rows of 3D and 4k displays lining the halls of CES paint a picture of the future of television, you'd be missing a vital component. Tucked away inside a pair of ballrooms on Sin City's famous Strip, representatives from television networks, software companies, cable providers and advertising firms held a powwow dubbed the Second Screen Summit to talk shop and discuss the fate of such experiences after a very busy 2012. Over the past year, companies ranging from
