This is the web version of Data Sheet, Fortune's daily newsletter on the top tech news. To get it delivered daily to your in-box, sign up here. There's enthusiasm about the healthcare industry--I badly want to call it infectious or contagious but fear that would be in poor taste--and it is abundantly evident at Fortune's Brainstorm Health conference in San Diego this week. The exceedingly well-funded startup is more than a curio, and its technology vastly bests annoying quad-copters. Zipline's drones are airplanes that land by an innovative tail hook mechanism. Technology is transforming healthcare, mostly for the good.