Twitter features a search engine that lets you see what people are saying about anything at this exact moment. "Other than perhaps the NSA, there is no better way to monitor what people are saying in the world" Kawasaki said. While a great number of tweets (the word for an individual update a person sends via Twitter) are meaningless if you look at them one at a time, when you search for a product or service you can quickly get a sense of what people are saying about it. Full Article at The Orange County Register