The Sidewalk Labs spin-out provides personalized health and social services to low-income communities. : Redpoint Ventures has led a $65 million Series B in Cityblock, a healthcare company focused on providing improved care to low-income neighborhoods. The business launched roughly 18 months ago out of Alphabet’s Sidewalk Labs, an urban innovation incubator known for projects like mobility data startup Coord, which itself raised a $5 million round in October.