Kids are online. Face it. From Games, to YouTube Videos, even homework is online depending on their classes. Parents tend to teach based on their own childhood as an example and, as you know, the internet didn't exist when we were that age. The link below leads to an entertaining yet honest list of what kids need to know as they go forward because more than likely, half of their human interaction (or more) will happen online.

[5 Internet Life Lessons Parents Need to Start Teaching Kids | Cracked.com.]