And I think that's a welcome sign about our ability to work together to solve or to address some of these very difficult problems.

WHITEHOUSE: Press Briefing

Because we really have three separate problems, each on its own very difficult to solve.

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Prizes have historically been used to solve difficult and pressing problems.

WHITEHOUSE: Live from the White House Summit on Promoting Innovation through Prizes, Challenges and Open Grantmaking | The White House

This approach evolved over the years as we noticed how difficult it was for people to solve problems together without first getting clear on what the problem was.

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"As more networks develop, and existing ones grow, the problems of information routing and traffic flow become increasingly more difficult to solve, " says Dr Raine.

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