In the latest shocking exposé of raunchy teenage behavior on the the internet or cell phones, today's Daily News reports on the rising numbers of teens who use their phones to send scantily clad or nude photos, aka "sex messages," to one another. The new study says that 20% of teens take the photos and either text, e-mail or post them online. The numbers were equally high among both males and females. And while teenagers intend for their "sexting" to only be for the eyes of the recipient, would you believe that the study found that many of the boys tended to pass them around to friends? Bill Albert of the National Campaign to Prevent Teen and Unplanned Pregnancy said, "This to me is like a cyber tattoo."