According to Jim Swift Cortera is like a Yelp for business credit. Allowing large and small businesses to rate the payments experiences they have for their customers. Until Cortera's launch at DEMO fall 2009 Dun & Bradstreet had been the major player in the business credit market. Jim, However, says that Dun & Bradstreet fail to address many small business. So they have built a database...Read More: http://www.techzulu.com/cortera-yelp-for-business-credit.html