If kids do DL porn onto their cellphones, they'll show up on the monthly bill that's sent to their parents (because we all know that most kids these days don't/can't pay their own bills). Once the parents see the DL's on the bills, boom, loss of phone privelages/grounding/etc. If the parents don't care and turn the other cheek, then they're irresponsible parents. If the kids are able to pay for their cell phone bills, then as long as they aren't watching it and jerkin' off in class, I don't really care.