Speaking to the issue at hand here, a while back, I 'rented' a clip from a website. I had to download a certificate with it that expired thirty days after I 'rented' the download. Sure enough, 30 days later, poof, I couldn't access it. The price of the rental was $9.95 and they had some fairly intense restrictions on the clip to prevent me from copying it.

I agree wholeheartedly with this kind of porn sale. The producer gets paid, the license is respected, the price was reasonable and the clip actually worked.

Why aren't more people doing this? Is the licensing software expensive?