The idea of advertising a blog on TV is just plain crazy. Right? Well, it used to be. But with the introduction of Google TV, that crazy idea isn't so crazy anymore. Google TV is part of Google AdWords, and it works much the same way. It's an auction-based system where you choose the price you want to pay. Obviously, the more you pay, the more people you're likely to reach. But it's possible to run an ad on network television for as little as $20 .