The negative implications of social media are increasingly acknowledged and well documented. But what to do about them is a different matter. Ron Deibert suggests that restrain is the way forward and the solution to construct a viable communications ecosystem that supports civil society and contributes to the betterment of the human condition - instead of the opposite. Due to copyright reasons there is no podcast or stream for these lectures on the Big Ideas website. Please head to the CBC Massey Lecture website.