This document analyzes the social media performance of top brands on Facebook, Twitter, YouTube, and Pinterest in February 2013. It identifies the brands that gained the most new fans/followers and had the highest engagement rates. It also examines sector leaders and provides deeper analysis into selected top performing brands like Blackberry, Burberry, Coca-Cola, American Express, and Southwest Airlines. The document is a social media benchmarking report produced by Unmetric, a company that monitors over 11,000 brands' social media presence across major platforms.