This service, devised by a co founder of Twitter, is anonymous, and is based on the idea that people like answering questions. You don?t even need to sign in to use it. When you search, it uses an algorithm to route your question to users who are considered knowledgable about the topic. They answer, and you should get search results a step above what you might find on your average search engine. You can also look through questions others have asked on the service and save those questions, so you see those responses as well. People who answer questions get helpful votes, which are shown on the service, which gives you a guide as to how helpful their answers are. The aim is to give you answers within 10 mins. While this is a human service, in future it's possible that computers will be used.
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