Sugar, a startup that aims to turn apartment buildings into “interactive communities,” has closed on $2.5 million in seed funding. A slew of investors participated in the financing, including MetaProp, Agya Ventures, Concrete Rose, Debut Capital, The Community Fund, Consonance Capital, Lightspeed Scout Fund and Jason Calacanis’ LAUNCH syndicate. Also participating were angel investors such as SquareFoot CEO Jonathan Wasserstrum, Ben Zises, Diran Otegbade, Oleksiy Ignatyev and Zillow board member Claire Cormier Thielke, also of Sequoia Scout Fund. TechCrunch