According to the video on user-generated content. What's the benefit of UGC? How does something go from being a regular video, to going "viral?" Using YouTube, or another venue (Yahoo regularly features such videos), provide a link to one video that's gone viral, explain it, and why do you think it hit a niche of popularity? (When choosing the video, keep in mind the educational setting. Cute squirrels or children are fine, but let's not get too racy.)