This document discusses the use of social media in the retail industry. It begins by explaining how the retail industry was an early adopter of social media to better engage with customers. It then discusses how retailers have incorporated social media like Facebook and Twitter into their sales strategies. The document goes on to describe trends in social commerce, such as the proliferation of mobile apps, customer reviews, and location-based services. It concludes by discussing best practices for social commerce and the benefits it provides retailers.