Gigaom: Second-Screen Hopefuls Hard-Pressed to Disrupt Hollywood ‘Cabal’

You can’t move these days for new research indicating the rise of of “second-screeners” — those of us who watch television while using a handheld device.
But, as upstart operators scurry around trying to exploit that fact with variants of social or interactive TV add-ons, what is the real business opportunity here? Gigaom