After finding water in his basement and contacting local basement waterproofing contractors in the Chicago area, he described the package he received in the mail from PermaSeal and explained the “ingeniousness of the company that mailed it; the author who wrote it; the instant edge over the competition; and how both service providers and authors can create a very nice business from this idea.”

Perry Marshall has written many popular books on Google advertising and is referenced regularly on the Internet and by sources like the Washington Post, USA Today, and Entrepreneur Magazine.

See the video and read the article here: http://www.perrymarshall.com/marketing-credibility