My daughter recently lent me a book I’d not come across, with the striking name Drunk Tank Pink – psychologist Adam Alter’s look at the ways ‘our environment shapes our thoughts and actions…without our permission or even our knowledge’. I’m not quite sure what the writer of that blurb meant, in talking about permission, but the second part is striking. For example…

Weird, huh? One thing it brought to mind for me was the way IBM famously used to have little signs up all around their offices which read, simply, THINK. I guess they worked…