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Hipmunk Snags $1M from Kutcher, Mullenweg and More - Mashable
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNH0JJS_d_vHvhjF9Ih_CAq60BBbSw&url=http://mashable.com/2010/10/05/hipmunk-funding/