Question

    The correct rank order of social media sites from least

    to most popular as measured by the number of unique U.S. visitors as of September 2011 is
    A LinkedIn, Twitter, YouTube, and Facebook. Correct Answer Incorrect Answer
    B Facebook, LinkedIn, YouTube, and Twitter Correct Answer Incorrect Answer
    C YouTube, LinkedIn, Twitter, and Facebook Correct Answer Incorrect Answer
    D Facebook, Vimeo, YouTube, and Twitter Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct rank order of social media sites from least to most popular as measured by the number of unique U.S. visitors as of September 2011 is LinkedIn, Twitter, YouTube, and Facebook.

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