That would line up with the rest of our social development...
1990: Stranger danger! Look out for creeps perving on you from the bushes!
2000: This new webcam is neat but don't let your kids use it, someone could hack it and perv on them!
2015: Hello random internet stranger, please observe and interact with my kids while I do other things!
c.f.
1990: Stranger danger! Don't get into strange cars!
2000: Internet stranger danger! Don't give anyone on the internet your real name or contact details!
2015: Here's a handy app which gives your contact details to an internet stranger so they can pick you up in their car!