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Researchers in the United States have developed a tool that can help you get more balanced political information on the Internet. But it's not yet proven that it can change your mind. The idea is to counter the "echo chamber" effect. The theory is ... that people tend to look at online news sources and follow social media users who share their own views and attitudes. As a result, people tend to see a similar viewpoint all of the time, in turn reinforcing their prejudices and meaning they never have to see material that might challenge their stance. Over the long term, they get the false ... (view more)