San Francisco, CAMarc Davis invents mobile, social, media, and personal data technologies that connect people, the web, and the world. With a twenty year career of technology... Marc Davis invents mobile, social, media, and personal data technologies that connect people, the web, and the world. With a twenty year career of technology research and development spanning the MIT Media Lab, Interval Research, UC Berkeley, Yahoo!, Invention Arts, and Microsoft, he has done...