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A robotic barista arm moves a partially prepared drink at Yummy Future in downtown Palo Alto. Photo by Seeger Gray. A robot barista crafts the coffee at new cafe Yummy Future in downtown Palo Alto.

I come to do my rounds at the Investor Clinic, acutely aware of the large shoes I have to fill and of the loyal readership John Heinzl built up over the years. Exhibit A: the messages piling up in my ...