Selling used cars is a pretty good business: you buy crappy old cars at rock-bottom prices from desperate people; sell these crappy cars to desperate people at inflated prices; repo the cars when the desperate people run out of money; and then sell the same cars all over again.

Here's an ad for Canadian car dealership Dale Wurfel, which seems to be trying to sell used cars with a little (unauthorized) help from fashion designer Tom Ford. The tag line: "You know you're not the first. But do you really care?" When you put it like that, no, we don't!

In character, the used-car dealer is a close cousin to the Web spammer, so he appreciates the advantages of misleadingly labeling a car ad as porn in order to drive up views, which is what Massachusetts-based Clay Corp. did with a YouTube video titled "Let's Get Naked." Expect much, much more of this to come: There…