Mercado Software released CSN 2.5, the new version of its Commerce Search and Navigation solution. Many of the major revenue-generating retailers currently power their online retail sites with CSN's best-in-class solution of Intuitive Search and Dynamic Browse coupled with comprehensive merchandising capabilities. CSN 2.5 takes Mercado's product to the next level by providing online shoppers with increased relevancy of search results while at the same time equipping internet retailers with buyers' behavior data essential for the implementation of successful merchandising strategies.