Zipline raises $250 million at $2.75 billion valuation

Zipline, a San Francisco drone delivery service best known for medical supply drops in Africa, raised $250 million at a $2.75 billion post-money valuation.

Why it matters: This comes as Zipline plans to expand into the U.S., via a pilot program whereby it will deliver medications and other health products ordered via Walmart. Or, put another way, Zipline is actually doing what Amazon has spent years promising to do.