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With over 500 million users and counting, Facebook is still the most popular social networking site in the world. Initially created to find long lost friends from school, it has now evolved into one of the most visited sites of all time, besting even number one search engine Google. If you are looking to use Facebook to know what your old classmates are up to or play some online games, then you will love it. For those intending to use Facebook for search engine optimization (SEO) improvement, then it becomes a little trickier.
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