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20 of the world's hottest start-ups of 2015

CNBC Logo By Barbara Booth of CNBC | Slide 1 of 21

The brightest ideas on the planet

The entrepreneurial revolution is spreading to nearly every nook and cranny on the planet. Even countries plagued with political strife or in the midst of a deep recession are seeing a surge in start-up activity. These innovators bring ideas to life, drive economic growth and expand human welfare — and can be found far from Silicon Valley, in such outposts as Uganda, Cameroon, the Philippines, Israel, Chile and Ukraine.

This year's Global Entrepreneurship Week includes 160 countries and roughly 10 million people. One of its marquee events is the annual Startup Open competition, held in key cities worldwide, which gives entrepreneurs a stage in which to pitch their ideas. This year, founders from 89 countries submitted more than 800 start-up ideas for consideration. Seventy percent are from outside the U.S.

Here is a sampling of some of the hottest start-ups from around the globe that made the 2015 Startup Open competition's list of 50 top contenders. Ideas range from "cricket protein shakes" to a laundry service for Kenyan university students and a refrigerator magnet to catch malaria. 

© Ezra Bailey/Getty Images

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