"Nobody should be penalized for something they posted when they were 9 years old," Markey said.
Levey links her kids' devices to her iTunes account so she's aware of programs they install. She also requires that her kids make their accounts accessible to her and follow certain ground rules: protect your passwords, set privacy controls and never transmit inappropriate pictures or words.
A big hurdle for parents is overcoming the idea they are invading their kids' privacy by monitoring online activity, she said. In fact, she said, it can be the kid's first lesson that hardly anything online is private, anyway.
"If they want privacy," she said, "they should write in a journal and hide it under their mattress."