Written by Lee Siegel

"What's celebrity sex, Dad?" It was my 7-year-old son, who had been looking over my shoulder at my computer screen. He mispronounced "celebrity" but spoke the word "sex" as if he had been using it all his life. "Celebrity six," I said, abruptly closing my AOL screen. "It's a game famous people play in teams of three," I said, as I ushered him out of my office and downstairs into what I assumed was the safety of the living room.

No such luck. His 3-year-old sister had gotten her precocious little hands on my wife's iPhone as it was charging on a table next to the sofa. By randomly tapping icons on the screen, she had conjured up an image of Beyoncé barely clad in black leather, caught in a suggestive pose that I hoped would suggest nothing at all to her or her brother.

And so it went... http://online.wsj.com/news/articles/SB1000142405270230445190457923814037...