An internationally known speaker and consultant to Fortune 500 companies and Internet entrepreneurs, I've spent more than twenty years in sales and marketing and most of that on measuring the value of Digital medium for creating and strengthening customer relationships. I've written a slew of books on Internet advertising, marketing, customer service, email marketing and web analytics. I am the producer of the eMetrics Summit, the Marketing Evolution Experience, co-founder of the Digital Analytics Association, and author of the Devil's Data Dictionary and my most recent: Artificial Intelligence for Marketing: Practical Applications.