Be friendly with them. This is the only way to teach our children what is good and what is bad for them?. we should never do things what we expect from our children not to do. The child psychology has great curiosity to do forbidden things. make them understand each and everything in a friendly way..The coercive methods may prove counter productive. Never keep secrets and distances from children en.Discuss with them the pros and cons of digital technology .In this way they will choose definitely the meritorious side of digital technology discarding the ugly side of digital technology.