This document discusses the rise of social shopping and how it is evolving through three phases. Social Shopping 1.0 involved the growth of social networks and user reviews. Social Shopping 2.0 saw the rise of user-generated content and crowdsourcing platforms like YouTube, blogs, and Yelp. Social Shopping 3.0 focuses on leveraging the crowd to drive revenue by putting the crowd to work, enabling social shopping with friends, creating influencers, using location data, and bringing products to social media sites.