How do Silicon Valley's tech authorities keep their children safe online?

From porn and bullying to being groomed by strangers, California's most qualified parents are taking a cautious approach to their kids' internet access

Even in Silicon Valley, parents struggle to navigate the online risks and opportunities for their children. The internet might be the first place to turn for homework and entertainment, but how much should parents intervene to protect their children from adult content, cyberbullying and being contacted by dangerous strangers?

Thirteen-year-old Nicole Lovell was murdered by two students who authorities say met her on the messaging app Kik. One in 25 young people aged 10-17 have received aggressive sexual solicitations online, researchers found. And 34% of students aged 11-15 say they have experienced cyberbullying.