I would not hesitate to say I was addicted to the Internet in the first two years. It can be addictive, and things not taken in moderation have negative effects. But the alarmism around 'Facebook is changing our brains' strikes me as a kind of historical trick. Because we now know from brain science that everything changes our brains.

The tools that a society uses to create and maintain itself are as central to human life as a hive is to bee life. Though the hive is not part of any individual bee, it is part of the colony, both shaped by and shaping the lives of its inhabitants.

There is no larger collective-action problem than the environment. The three biggest lies of the environmental movement is that every little bit helps, you can do your part, and together we can do it.