Sci-fi writer William Gibson says the best way to imagine new technologies and how they could affect society is not through current expertise but by talking to "either artists or criminals."
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Apple is being urged to help protect young users of its smartphones and tablets, with two investors citing problems that have been linked with spending too much time on social media and looking at screens.
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It seems like every kid is online. But UNICEF's director of data, Laurence Chandy, observes: "It's a huge inequity between those who have access and those who do not."
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With examples of Russian-created Facebook pages behind him, Sen. Patrick Leahy, D-Vt., questions witnesses from social media companies during a hearing on Capitol Hill.
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A man walks past a building on the Google campus in Mountain View, Calif. Google search results about health can be influential, but sometimes they can be unreliable or wrong.