In the early days of Twitter, a regular refrain was “it’s only Twitter” when one took offence at the contents of another’s tweet. And then people started losing their jobs, or couldn’t get jobs, or couldn’t get into schools, all because of a view expressed on twitter that was considered beyond the bounds of ‘appropriate.’ Nowadays, we don’t hear that phrase much anymore, but too many people still operate as if social media does not have consequences, which it does, even if it isn’t felt instantly. I have had many a conversation with my 12-year old about the implications of what he shares and...