Many of us barely remember a time before computers were pervasive members of our culture, capable of sharing information between them. Doug Engelbart passed away recently and was a true visionary of where computing could head. Eulogies abound across the Web right now, but one in particular struck me as an insightful description of what it means to be a visionary of his caliber. Who’s thinking and dreaming like this today? Are our current startups cutting it? Are we encouraging the next generation to innovate and revolutionize technology and society?