As DVRs become more popular and TV viewers use them to avoid watching commercials, what are advertisers to do? Ars looks at the ever-exanding world of product placement, what lines are being crossed, and what the future might hold.

There's still plenty of eyeballs glued to the TV, though, and the old broadcast television model isn't dead yet. But will the rise of product placement eventually kill off commercials altogether? Don't count on it. Though it may seem like double-dipping by the networks, most people in the business look at commercials and placement as complementary.

It's everything you wanted to know about television advertising and product placement, but were afraid to ask.