4. Tool: WordStream Keyword Niche Finder
Good for: Creating a deeper, more dynamic keyword structure for your PPC campaigns and SEO copy
URL: http://www.wordstream.com/keyword-niche-finder/
WordStream’s relatively new Keyword Niche Finder tool is an excellent asset for content writers, providing in-depth long tail keyword variations for any given word or phrase. The tool creates groups of tightly related niche groups of keywords, ideal for making longer tail additions to paid search campaigns. Keywords are organized into groups for ease of use, taking hours out of the campaign creation process.