If you plan to do a viral campaign learn from some of the best. Check out this video. It’s an awesome example of how to take a great idea and get millions to watch it on the web. Coke’s original goal was to beef up its digital activation platform.The plan was to release seven different pieces of content, iPhone and social media applications, wallpaper screen savers and a video that we hoped would go viral. “The Happiness Machine” web video started out as just a piece of digital content, a dose of happiness.