2nd screen goes beyond the guide

Traditional operators in the pay TV space are not the only ones having to tackle the twin problems of navigation and discovery.

Young online companies and hot startups are facing the same challenges.

Zeebox, for instance, is the social TV company that attracted a great deal of attention in 2012 when it launchedin the U.S. Beyond its focus on the second-screen experience, what set the company apart was its partnerships with a handful of major media companies, including Viacom Inc., Time Warner Inc.'s HBO and Cinemax, as well asComcast Corp.'s Comcast Cable and NBCUniversal Media LLC.