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RankSpeed is a search and ranking tool that helps you find the best websites and products by doing a sentiment analysis on the Twittersphere / blogosphere. Instead of using traditional user review sites, RankSpeed analyzes the data in social media to rank results by any sentiment entered as a keyword: "excellent", "easy", "useful", etc. For each result, RankSpeed shows the percentage of users who have expressed an "excellent" opinion and a list of those users with their tweets about the site / product. Several criteria can be entered in a single query to compare for example how "good", "easy" and "effective" is a list of results. As any sentiment can be entered, the ranking tool is also useful to avoid websites or products that are often associated with "problem", "broken", etc.