Battle rejoins between TV’s two biggest stars: Netflix and Amazon

As two more blockbuster series premiere on the rival streaming services, how much longer can either sustain the spending that fuels their success?The contest for cinemagoers and TV viewers was once fought between studios, film stars and broadcast networks with captive audiences. But in the reshaping of the entertainment industry for the 21st century there are only two tribes that matter: Netflix and Amazon.And the competitive terrain has changed. Blockbusters and primetime must-sees are not corn