From PC World:
Along with sex and shopping, comedy is one of the biggest drivers of traffic on the Web. Especially now that a lot of regular people know how to post their homemade video and audio to the Web (along with clips from TV or radio), there’s an awful lot of funny stuff online. After months of exhaustive research, including lie-detector tests performed on laboratory rats, we’ve gathered a list of the funniest sites on the Web. Visit these sites and try not to laugh.