Man, this is a beautiful update.
Android L/Lollipop (5.0) represents the biggest overhaul of the operating system since the jump from Gingerbread (2.x) to Ice Cream Sandwich (4.0). We talked about the visual overhaul after previews of the new "Material Design" interface leaked, and were especially intrigued by rumors of Project Volta: the effort to make my phone last longer than 20 minutes on a battery.
Lollipop is here. And as promised, here are our first impressions: