Jerri L. Ledford has been a freelance business technology writer for more than 15 years. Over 750 of her articles, profiles, news stories, and reports have appeared online and in print. She also develops and teaches technology training courses for such companies as IBT Financial, Hewlett Packard, and CNET. She is the author of Google Powered: Productivity with Online Tools and coauthor of Google Analytics, both from Wiley.