Zipline announces $1.5 billion round and plans up to 300 new Walmart drone delivery sites

Zipline announced a $1.5 billion funding round at a $21.5 billion post-money valuation alongside an expanded Walmart partnership. The companies plan up to 300 new drone delivery sites beyond 21 reported operating at the time. Paradigm, WCM Investment Management and Layer Global were reported as lead investors. The new sites are planned, not already open.