a16z, a private equity firm led a $25m Series B round in Fly.io, an app developer, with participation from Intel Capital, Dell Technologies Capital, Initialized Capital and Sam Lambert. “So we deploy our own hardware. We’re not built on top of other. Developers are building applications, particularly real-time applications where responsiveness to user interactions matters a lot. So basically they use us to just ship their stack in whatever country they happen to be in,” Kurt Mackey, Fly.io co-founder and CEO.