check this out: http://news.ycombinator.com/item?id=1352829 http://news.ycombinator.com/item?id=1352829 talks more in depth about the number of similar applicat

check this out: http://news.ycombinator.com/item?id=1352829 http://news.ycombinator.com/item?id=1352829 talks more in depth about the number of similar applications on the market.