Dan's Data T-shirts! Dan's recommended reading list PORNsweeper Review date: 1 November 2000. Last updated 01/05/02. Give Dan some money! (and no-one gets hurt) Search Dan's Data Search WWW Can a computer tell a dirty picture from a clean one Ah, thereby hangs a tale. The PR people for Content Technologies were eager for me to review their new PORNsweeper product. It's had some attention ...