eMarketing: The Essential Guide to Online Marketing is a textbook intended for third and fourth year marketing students and draws on both academic theory and practical experience. The book covers all of the important aspects of online marketing, including the areas associated with search engine marketing, affiliate marketing, web analytics and conversion optimization, web development, online copywriting, online advertising, web PR, online reputation management, pay per click advertising, viral marketing, social media marketing, search engine optimization, eMarketing strategy, market research, mobile marketing, crowd sourcing, and customer relationship management.