NEW YORK (CNNMoney.com) — In the near future, TV is going to be available anywhere, on any device, at any time. Just don’t expect it to be free.

That’s because of the big, unanswered question being asked by networks, cable companies, advertisers and technology providers: How do we make money from it?

Viewers are already taking full advantage of online television. Broadcast networks make many of their shows available on Web sites like Hulu and YouTube a day after they air, and many cable stations also put their shows on the [...]