Since the market is potentially lucrative, some companies are gearing up for the gold rush by creating websites strictly for kids, and these websites allow parents to create profiles for their own children.
Common Sense Media reviews the media in kids' lives and keeps an eye on kid-oriented social networks.
Here is their top ten Pix over the last few years.
ScuttlePad (2010) Age 7+
Social network with training wheels is safe but limited.
Togetherville (2010) Age 7+
Kids' social site connects to parents' Facebook friends.
WhatsWhat.me (2011) Age7+