Apple's decision this week to clamp down on how apps to track your behavior and movements online has reignited a debate about privacy and the information we share, both willingly and unwittingly, in the digital age. What is often overlooked is just how much we make decisions, sometimes without even realizing it, about how much information we share about our kids. This is a deep, fraught, and complicated topic that too many of us have not really thought about. One of the world leading experts on it is Leah Plunkett, the author of "Sharenthood: why we should think before we talk about our kids online," and an very accomplished legal scholar with positions at the University of New Hampshire School of Law and the Berkman Klein center for Internet and Society at Harvard University. She makes the case that there are many consequences to every piece of information we share--some we know about, and some that go in unknown and disturbing directions