A theory gaining some ground in the scientific community is that the whole universe is an artificial creation, like a computer game or the Matrix. There are, apparently, lines of code in the fabric of the universe that make this a dead give away (philosophically speaking). The chances are that we all live in some cosmological playpen, like the Holodeck in Star Trek the Next Generation. And, yes the holograms became sentien t and have started to kill each other. The truly terrifying aspect of this concept is not that the thought that all life is meaningless and without purpose, or even that all of our suffering (the one thing we can truly hold sacrosanct) is for nothing. The truly terrifying aspect is the thought that I may have become stuck on the second level, got bored and spent my whole life playing the mini-games. None of this really concerned me much until one day as I was on my way to Tesco, I saw the evidence of it. In giant twelve-foot letters, covering both cloud and vapo...