SAN FRANCISCO–(BUSINESS WIRE)–PostHog, the open source product analytics company, today announced $15 million in fresh funding and major new free features for users of data warehouses. The company’s Series B was led by existing investors Y Combinator’s Continuity Fund, with participation from GV (formerly Google Ventures), and takes PostHog’s total funding to over $27M, despite the company only recently turning one year old. As part of the round, Ali Rowghani, Managing Partner at YC Continuit