WordStream Launches Free Keyword Research Tool for Pay-Per-Click (PPC) Advertising and Search Engine Optimization (SEO) Programs

Boston, MA (PRWEB) September 16, 2009 -- WordStream, Inc., today launched The Free Keyword Tool by WordStream for pay-per-click (PPC) advertising and search engine optimization (SEO) programs. Beta testers of WordStream's new keyword tool say it is more comprehensive and accurate than paid subscription versions of Keyword Discovery and Wordtracker.