When I look at all the startups I’ve built or backed during my career as a founder and investor, I’ll admit they can seem a bit disconnected, covering everything from social to robotics to genomics to gaming. But as I reflect on my investments, on my own startups, and on how I want to spend my time moving forward, I’ve realized that many of those seemingly disparate dots are connected through a concept that I’m calling foundational [open] ecosystems — and the companies they spawn. This far-re...