Passenger drones – AKA flying cars – are technological marvels. But science fiction has been promising flying cars for decades. So seeing them become reality now feels right. But apparel startup Sene feels like it’s been ripped from the future. It has made a commercially thriving company out of one of the most ingeniously disruptive ideas I’ve ever come across.  Apparel companies make clothes. Then they sell their clothes to customers. It’s the way…