Avoiding efforts to do fact-checking strikes at the heart of what real-time video - and traditional, straightforward journalists/moderators - do best. Their job is to question, identify and correct errors.

"We see this as complementary - this is not an either/or [for programmers]," says DirecTV CEO Bill Morrow. "They want to have a certain reach with their direct-to-consumer offering. And where the consumer won't go, that's where we step in."

European pay TV service Sky has sued Warner Bros., claiming the U.S.-based studio violated its 2019 deal. According to Sky, the agreement permits it to co-produce TV shows, including a new "Harry Potter" TV series.