Tim Harford:

Nothing about Facebook makes sense until you view it as a well-honed system for persuading you to check Facebook one more time.

Maureen O'Connor:

Unfollowing is a joy. Everyone should try it.

Pope Francis:

What is it, then, that helps us, in the digital environment, to grow in humanity and mutual understanding? We need, for example, to recover a certain sense of deliberateness and calm. This calls for time and the ability to be silent and to listen.

Barack Obama:

There is a reason why BlackBerrys and iPhones are not allowed in the White House Situation Room.