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Pope Benedict XVI sends his first Twitter message during his general audience in Paul VI hall at the Vatican Dec. 12, 2012. He is assisted by Thaddeus Jones, left, of the Pontifical Council for Social Communications and Archbishop Claudio Celli, president of the council. At right are Katia Lopez-Hodoyan of Rome Reports, and Claire Diaz-Ortiz, manager of social innovation for Twitter. (CNS/Paul Haring)