The job title "social media strategist" didn't exist ten years ago, but now companies - from Starbucks to Victoria's Secret - hire people specifically to promote their brand through social media sites such as Facebook. It is their job to get users to "like" their pages or status updates and create content that users will want to share with their friends who will in turn share it with their friends and so on and so on. Branding is a huge deal to products and this infographic looks at the evolution of branding on Facebook in the past few years.