Some people surprise you by what they say on Twitter -- others surprise you by simply being on the social-networking site. Here is a list of those people.
Twitter says it has more than 100 million active users. With that many folks on the six-year-old microblogging site, Twitter is always good for a few surprises.
Courtesy of NOAA/Institute for Exploration/University of Rhode Island
David Shankbone/Wikimedia Commons
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