Perhaps you have seen this speech Kevin Spacey gave at the Edinburgh Television Festival last month. It's been making the rounds on tech and entertainment sites, and has more than a million views. But if not, please take four minutes for the pithiest explanation I've heard of the disruption that has upended the television and motion picture industries. [Video link] A few excerpts: The success of the Netflix model—releasing the entire season of House of Cards at once—proves one thing: The audience wants the control. They want the freedom...