Reporters watch the final minutes of the presidential debate between President Obama and Republican presidential nominee Mitt Romney last October in Denver. Doug Pensinger/Getty Images hide caption

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This week, several women in the U.K. went public about explicit abuse they received on Twitter. Alastair Grant/AP hide caption

itoggle caption Alastair Grant/AP

Weekend Edition Saturday host Scott Simon documented his mother's final days to his more than 1.2 million Twitter followers. Stephen Voss/NPR hide caption

itoggle caption Stephen Voss/NPR

An anti-government protester wearing a gas mask uses a cellphone to read the news on social media as demonstrators gather at midnight in Istanbul's Taksim Gezi Park on June 13. Ozan Kose/AFP/Getty Images hide caption

itoggle caption Ozan Kose/AFP/Getty Images

More courts are asking jurors to avoid social media services and tools that have become an integral part of modern life, like Twitter, Facebook, email, texting, instant messaging and Internet research. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Monsignor Daniel Gallagher, a Latin expert at the Vatican, says people from all walks of life are following the pope's Twitter feed in Latin. Sylvia Poggioli/NPR hide caption

itoggle caption Sylvia Poggioli/NPR