Stephan Spencer is an internationally recognized SEO expert, consultant, and bestselling author. He is the co-author of The Art of SEO (now in its 3rd edition), author of Google Power Search (2nd edition), and co-author of Social eCommerce. Stephan founded Netconcepts in 1995 and grew it into a multi-national SEO agency before selling it in 2010 to Covario. Stephan invented a pay-for-performance SEO platform called GravityStream that was also acquired and is now part of Rio SEO. Stephan’s clients post-acquisition have included Zappos, Sony Store, Quiksilver, Best Buy Canada, Bed Bath & Beyond, and Chanel. Stephan is a contributor to Harvard Business Review and AdWeek among others, and the host of two popular podcast shows, Get Yourself Optimized (getyourselfoptimized.com) and Marketing Speak (marketingspeak.com). Visit him on the web at stephanspencer.com and follow him on Twitter @sspencer.