Quiz: Which of These Pioneering Tech Ideas Are Real?

National Geographic's CHASING GENIUS is back with an UNLIMITED INNOVATION challenge—get your ideas flowing with this quiz.

Every day, it seems, your phone acquires yet another skill. Mobile devices have become instruments of extreme convenience for many of us, from hailing a ride to ordering lunch. And enterprising thinkers around the world are going further, imagining ways that connectivity and data can tackle serious problems in people's lives.

From delivering healthcare to saving the planet, our devices and the networks that power them carry unlimited potential to address global issues. With the UNLIMITED INNOVATION challenge, National Geographic's CHASING GENIUS will again be inviting you to share your own breakthrough ideas for the chance to win $25,000. This time, the theme is connectivity and the ways it can be used to improve our world.

The inaugural CHASING GENIUS challenge last

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