The document discusses user-generated content (UGC) and modern media. It defines UGC as content created and uploaded by non-media professionals. Examples of modern media categories that often feature UGC are given, including blogs, wikis, social networks, photo/video sharing, and slide sharing platforms. Specific popular sites are listed for each category, such as Wikipedia, Facebook, YouTube, and Flickr. Both benefits and drawbacks of UGC are mentioned.