Even the worst TV shows never excuse themselves with an "Under Construction" sign. 7. Seinfeld never slows down when a lot of people tune in. 8. You just can't find those cool Health Rider infomercials on the Web. 9. Set-top boxes don't beep and whine when you hook up to HBO. 10. You can't surf the Web from a couch with a beer in one hand and Doritos in the other!