Ad rates for TV programs now sometimes higher on Net than on prime-time

Television programs such as “The Simpsons” and “CSI” are for the first time commanding higher advertising rates at Web sites including Hulu.com and TV.com than on prime-time TV.

This trend seems inexorable. Everything is moving to the Net. TV, music, news. Not that the other media will go away. But they will increasingly be supplanted [...]