Netflix's bid to buy Warner Bros. hinges on a key question: Who does it actually compete with?

Would buying Warner Bros. give Netflix too much power? The streaming giant is telling regulators it won't, and antitrust experts say the answer ultimately depends on how you define who Netflix competes with.Does Netflix compete with only paid streaming services, a market where it dominates? What about the TV dinosaurs it disrupted, or the social video services nipping at its heels? Could sleep even be a competitor, as its cofounder Reed Hastings famously suggested? Rival suitor Paramount Skydance has slam ...