"Consider just the leisure sector - if you're a skier then this would give you a better idea of the mountain terrain; if you're a computer games developer, this is going to give you a much more realistic world in which to play your game such as a flight simulator. This is all about adding the third dimension to our maps and we need more and more of it every day."
http://www.bbc.co.uk/news/science-environment-11543990