How Facebook’s algorithm was used to make people think their news feed was more important than it actually was

Now Playing: The next big thing in AI: the ‘neural network’ that learns to mimic humans in real time Now Playing, Apple finally releases a new iPhone 7 case Now Playing – Apple unveils a new speaker with an Apple logo on it Now Playing Uber says it’s shutting down for ‘the greater good’ Now Playing ‘How AI is helping people be more efficient at their jobs’ Now It’s time to invest in AI, according to IBM Now Playing Trump to unveil his 2018 budget plan Now Playing The latest: NASA’s Mars rover Curiosity landed on Mars on July 4, 2018 Now Playing Here’s what you need to know about the new Apple Watch Series 2 Now Playing Google and Tesla have teamed up to launch a ‘mobile cloud storage solution’ Now Play: NASA announces Mars rover landing on Mars Now Playing What’s in your mailbox today?

Now Playing How to make a ‘Google Glass’ for $4,999 Now Playing New Tesla car launches in California Now Playing Apple has officially unveiled a new ‘personal cloud’ for home users Now Playing Amazon has launched the ‘Amazon Echo Dot’ Now A woman is dead after falling from a 15-story building in New York City.

Now Playing US President Donald Trump’s son Donald Trump Jr. was forced to resign from the White House amid sexual misconduct allegations.

Now Play Trump announces resignation from the Trump administration over sexual misconduct investigation Now Playing Police officer dies after being shot by suspected gunman in Florida Now Playing NASA’s Curiosity Mars rover landed on July 5, 2018 in Gale Crater, the largest Martian landscape ever discovered.

Now Watch The latest on the deadly shooting in California: Now Playing China’s new government watchdog body is expected to approve a controversial law on Wednesday that could restrict internet use for political speech.

Now WATCH: Amazon unveils its ‘Amazon Cloud’ product Now Playing A new model of car is getting the spotlight in the UK.

Now The US Navy is testing a new drone that can take out submarines, according a military official.

Now Tech Insider’s Nick Bilton talks to Elon Musk about his new book, Elon Musk’s The Road to Mars: A Journey into the Future.

Now Elon Musk has confirmed that his first book, The Road To Mars, will be published in 2018.