eann voted 1 on this story.
What's most surprising, I think, is that it took this long for someone to do an academic study. This isn't news. For many years it's been a concern of people who know better than to let the Web be a babysitter.
However, and in contrast to privacy for adults, industry self-regulation seems to be fairly effective. Asking kids stuff you know you'd never get their parents to answer is generally viewed as despicable. It's happened several times that even well-meaning sites like Disney get instant piles of bad press for even trying to get name and address.
Our scientific power has outrun our spiritual power. We have guided missiles and misguided men. —MLK
$email =~ s/0/o/; # The K5 cabal is out to get you.