News bites: Facebook shares briefly trade above IPO price

National Security Agency Director Gen. Keith Alexander defended the spy agency's surveillance programs and deflected hecklers during a speech at the Black Hat hacker conference, The Associated Press reports. Facebook's shares briefly traded above its IPO price on Wednesday, according to The New York Times.

Russian President Vladimir Putin signed a law on Thursday that makes it harder for websites to illegally host copies of movies or TV shows on them, Bloomberg writes.

Apple's next iPad Mini will likely have a retina display provided by its rival Samsung, The Wall Street Journal reports.

The U.K. is engaged in a debate about whether Twitter should do more to clamp down on trolls that send abusive tweets to women, according to the AP.

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Source: http://thehill.com/blogs/hillicon-valley/technology/314945-news-bites-nsa-director-defends-surveillance-programs-at-hacker-conference

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