People are individuals, they have to make lives and decide how to live their individuality – and society provides labels to allow that for example, 'I am a man, and here are the things that men typically do, and so I'm going to do those things…' or 'I'm British, that means I must like tea and cricket… or a cheeky Nando's'

The lucky person walks down the street, sees the £5 note, picks it up, goes into the coffee shop, and sits next to the businessperson, they have a conversation, exchange cards, and leave thinking they've potentially had a great opportunity. The unlucky person ignores the money, and sits next to the person without making conversation.

If it did more damage than expected—for example, if a nearby cemetery or mosque was harmed by an attack on a suspected terrorist safe house—then it could use this information to restrict its choice of weapon in future engagements. It could also pass the information to other drones.

Many forms of entrepreneurship don't lead to wealth, and but they are no less entrepreneurial.

When I got better, even simple things like being able to wake-up, go for a walk, speak, and observe life, felt viscerally stunning and good. I found a state of being – a state that gave me perspective and feeling about life and my place in it.