Market Samurai Review – keyword search tool for Niche Markets : This video reveals how you can search profitable niches using the Market Samurai's keyword research functionality to build up a list of keywords according to the no of searches per day and order them based on number of competing pages on Google. This is one of the most advanced keyword research tool on the market and is perfect for niche marketing, SEO (Search engine optimization) PPC (pay-per-click) campaign, Backlinks generation, Adsense and much more.