Nirnimesh writes "Google reveals their ranking system for videos on the official blog. The system lists videos according to their country-wide popularity. From the article: 'We use algorithms to identify videos that are suddenly becoming popular, and then rank them based on how popular they are -- and how suddenly they became popular. We've been using this list internally, and now it's ready to share with you, so check it out. Right now this feature highlights videos from close to 40 countries, including Argentina, Australia, Belgium, Brazil, Canada, Estonia, Finland, Greece, Hong Kong, India, Israel, Japan, South Korea, Mexico, and New Zealand, to name a few.'"