The document discusses user-generated content (UGC) marketing. It defines UGC as any content such as text, images, videos, reviews or social media posts created and shared by users. The document then discusses types of UGC like blog posts, reviews, social media posts and photos/videos. It also outlines strategies for UGC marketing like providing calls to action, running contests and engaging with and curating user content. Finally, it concludes that UGC can help brands extend their reach and gain valuable customer insights.