Stephan Spencer is co-author of The Art of SEO, co-author of Social eCommerce, and author of Google Power Search. He founded SEO agency Netconcepts, which was acquired by Covario in 2010. He invented the SEO platformGravityStream, also acquired and now part of Rio SEO. As an SEO consultant, Stephan helps companies big and small – from Zappos, Sony, and Chanel to stealth startups.
