It occurred to me today that while we have evolved into a social animal we live in a time where human to human contact has never been easier to avoid. You need food, go online and have it delivered. You need clothes, again go online and have them delivered. In fact there is nothing you actually need to go out for these days. Even when you are out, if you want to make sure nobody strikes up a conversation with you, no problem. With music and radio available on mobile phones an