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The recent revelations that personal data from about 50 million Facebook users were used by a data analytics firm working for the Trump campaign are making a lot of the social network's users uneasy.

Some are wondering if there's a better way to limit who can access their personal information.

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"A lie can travel half way around the world while the truth is putting on its shoes."

Mark Twain said that. Actually, it was Winston Churchill. Oh, wait! He didn't say it either. But you can find fairly credible looking sources that attribute those words to one of those two famous men.

Whoever said it, a study on how news travels on Twitter confirms the basic truth of the quote. But on Twitter, lies spread a lot faster.

Technology is threatening a lot of jobs — travel agents, truck drivers, factory workers. But here's one you might not expect: actors.

Technology in the entertainment business is on course to create digital actors who compete with live ones.

Artists and criminals are often the first to push the boundaries of technology. Barrett Brown is a criminal who has actually helped inspire art — the TV show Mr. Robot. Its protagonist is a hacktivist — a hacker who breaks into computer systems to promote a cause.

Brown was connected to Anonymous, a group that hacked a private security firm to reveal secrets. He is now out and living in a halfway house in Dallas.

There has been a lot of scary news about big data — about corporations or government invading your privacy. But imagine if we could use our data to make our lives better.

That is at the center of artist Laurie Frick's work — she wants to help create a future in which self-delusion is impossible. In fact, she thinks this shift is inevitable once people wake up to the transformational power of big data.

We spend a lot of time talking to Alexa and Siri. Imagine if such artificial personalities were put inside a cute, adorable robot. That's what Alexander Reben has done. The artist created what he saw as the perfect interview machine to see how much he could get people to reveal to the robot.

In 1984, two men were thinking a lot about the Internet. One of them invented it. The other is an artist who would see its impact on society with uncanny prescience.

First is the man often called "the father of the Internet," Vint Cerf. Between the early 1970s and early '80s, he led a team of scientists supported by research from the Defense Department.

Initially, Cerf was trying to create an Internet through which scientists and academics from all over the world could share data and research.

Like a lot of science fiction fans, I read William Gibson's visionary novel Neuromancer not long after it came out in 1984. It painted a dystopian world where people spent most of their time on computers communicating across networks in "cyberspace."

When I read it, I thought it was an engaging fantasy. Now, over 30 years later, the prescience of Gibson's novel is unquestionable. In the intervening years, I've wondered how he and other artists were able to imagine the future when the technologies they wrote about had barely been invented.

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