Amy Porterfield is the co-author of Facebook Marketing All-in-One for Dummies and a social media strategist for entrepreneurs and small businesses. She's been in the marketing arena for more than 11 years and has worked alongside Anthony Robbins, managing his content marketing team as well as executing online marketing campaigns. She currently consults with, and coaches, entrepreneurs and small-business owners on social media strategy. Her online program, "The Simple Social Media Formula," helps businesses understand the core strategies for Facebook, Twitter, YouTube, LinkedIn, and blogging.