Marc Davis is Chief Scientist of Invention Arts, which invents mobile and social technologies connecting people, the Web, and the world. Before Invention Arts, he was Chief Scientist and VP Early Stage Products for Yahoo! Mobile. As Assistant Professor at UC Berkeley School of Information, he directed Garage Cinema Research, which pioneered context-aware mobile media uploading, tagging, and sharing, and context-aware face recognition. Marc has transformed his ideas into over 150 patent applications, and numerous prototypes, products, and publications.