If you watch American late-night television, you can count on seeing three things: Talk shows, Seinfeld reruns, and of course, info-mercials. Yes, the often peculiar and over-the-top extended ads on late-night TV mostly make up an endless parade of solutions to problems you never knew you had. Many of the products are hilariously useless and absurd, but a good selection of them are actually quite ingenious and well made. In this post we pay tribute to these As Seen On…