Resumen
Microsoft Research unveiled more than 100 innovations at its annual TechFest showcase in late February. Used with Microsoft Surface, SecondLight can project images and detect gestures in mid-air above Surface's display. The magic behind SecondLight involves Surface's LCD screen that can switch between opaque and translucent, alternating 60 times per second. Renlifang is a Web entity-summarization system that automatically creates a biography page of the person;a social network graph for the person; a shortest relationship path between the person and someone else; titles for the person found on the Web; and all of the structured information that Microsoft possesses on the person in its local database.