FLAT WORLD: $5 million to DC-based Flat World in a debt raise led by Bessemer Venture Partners and other “current institutional investors.” This follows a round of $9.5 million in December 2013 from Bessemer Venture Partners, Bertelsmann Digital Media Investments, Penguin Random House, Tribeca Venture Partners and Valhalla Partners. Since 2007, Flat World has offered an e-book publishing platform that instructors can personalize for their classrooms. Flat World plans to focus on increasing student use and measuring student success on the platform, according to DCInno.