It's not an investment. It's a place to hang your hat. It's a place to keep your books. It's a place to keep your clothes. It's a place to eat. It's a place to sleep. It's a place to make love. It's a place to have fun. It's a place to be happy. It's a place to be sad. It is not an investment. Or as Charlie Brooker puts it:For years, money was just...