This is a huge thing on Wall Street at the moment.<p>Bloomberg wrote about a couple of guys that started such a business and got bought for (maybe, exact terms not stated) $60 to $100 million.<p><a href="http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;features&#x2F;2015-10-06&#x2F;how-two-guys-lost-god-and-found-40-million" rel="nofollow">http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;features&#x2F;2015-10-06&#x2F;how-two-gu...</a>