@silverwizard When I was little I knew there were books in the library I was not supposed to read, and as I got older I could venture into those areas, but my mom still kept an eye on what I was reading and would talk to me about it, exploring how various groups were presented, etc.
Simpler days, eh? You can't know what all websites or whatever your kids lands on unless you've got a parental control in place, I would imagine.