The toughest practical challenge may be to give the 1, 000 lucky winners of the free flights a great time while ensuring that no pictures of them enjoying themselves make it back home to the disapproving American public.

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The Equal Pay Challenge sought projects that took publicly available wage data and provided users with a tool that was both educational and practical, empowering workers to challenge their employers.

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Last spring, the Greater New Orleans Sports Foundation reached out to Claussen with the challenge of creating practical items using over 15, 000 linear feet of banners from Super Bowl XLIV in Miami.

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He acknowledged the practical difficulties and said that "presents a huge challenge for us".

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Look for somebody with practical experience so that they understand business terminology and then pose your analytical challenge.

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The challenge of poverty existing despite part of the world enjoying dramatic advancement may boil down to practical solutions.

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