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ChallengePost is a platform that enables companies, non-profits and individuals to create contests and award prizes for solving problems. It was founded by Brandon Kessler in 2009. == Origin == In 2006, Colin Nederkoorn initiated a public contest prompting programmers to develop a means for running the Windows XP operating system through an Intel Mac. Programmer Jesus Lopez eventually won the competition, which had accumulated over $13,000 in donations. 〔Kim-Mai Cutler, ("ChallengePost launches problem-solving site with Wozniak, Betaworks onboard" ), ''Venture Beat'', June 29, 2009〕 Seeing this competition, Kessler soon developed ChallengePost as a means through which similar competitions could take place. == Funding == In June 2009, ChallengePost raised $500,000 through angel investors including Esther Dyson, Personal Democracy Forum founder Andrew Rasiej, betaworks, Scott Kurnit, Jason Calacanis, Rose Tech Ventures, PKS Capital, Andrew Rasiej, Coriolis Ventures, Gerry Campbell, and Apple co-founder Steve Wozniak. 〔http://www.crunchbase.com/company/challengepost ,CrunchBase ChallengePost profile, accessed May 16, 2013〕 In August 2011, ChallengePost raised $4.6 million in Series A funding from investors including former Apple executive Bob Borchers of Opus Capital and Qualcomm founder Irwin Jacobs.〔Peter Kafka, ("Crowdsourcing Platform ChallengePost Raises $4 Million" ), ''All Things D'', August 8, 2011〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ChallengePost」の詳細全文を読む スポンサード リンク
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