A stadium in LA confirms it uses facial recognition technology at pop concerts.

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Photos of up to 6.8 million Facebook users, including ones they never posted, could be accessed.

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Twitter must reveal the identity behind two parody accounts, the high court rules.

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The social network has returned to Apple's app store after revealing plans to ban adult content.

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New research suggests that people have not taken up faster services, even though they are available.

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