Your TV is inside your mind.
It knows what you watch. More than that, it knows how you watch. When you pause a program, your TV is taking notes. When you rewind or fast-forward, the machine jots that down too.
But here's maybe the scariest part of all: Your TV knows what you want, maybe even before you do.
This is where technology has led us. The algorithms that spit out online recommendations for television series, movies and more are taking artificial intelligence to a new level. Top providers such as Netflix, Hulu and Amazon — which tens of millions of Americans get either through set-top boxes such as Roku or via personal computers — employ large...