When it is presented with evidence that what it is doing is not working, its invariable response is first to deny that there is a problem, but, if pushed, to respond not that we have done too much of something that is ineffective, but that we simply need to do more of it: because that’s what its theory dictates, and for the left hemisphere theory trumps reality.

Worrying is worthless.

Greenlight is a bad example of an election process. We came to the conclusion pretty quickly that we could just do away with Greenlight completely, because it was a bottleneck rather than a way for people to communicate choice