Abstract: An optical system for smart glasses to combine digitally generated content with views from environment, comprising a transparent shell assembly and a digital image formation device. The transparent shell assembly comprising an inside layer, an outside layer, and a transparent thin film placed in between the inside layer and the outside layer. The transparent thin film allows light from real world scene to pass through and reach the eye of the wearer of the smart glasses. The transparent thin film is slanted in a way such that light from the display can be reflected by the transparent thin film to the eye of the wearer of the smart glasses.

Abstract: This invention discloses a method for collecting and propagating traffic information for optimizing traffic content. Single-vehicle-traffic-data is collected and broadcasted to vehicles in the neighborhood; Neighborhood-traffic-data is generated by combining all the Single-vehicle-traffic-data received from neighboring vehicles; Said Neighborhood-traffic-data is then conditionally propagated to remote area by broadcasting and relaying through one or more participating vehicles, or through other wired/wireless network. Hereby each participating vehicle is able to get updated traffic information of a large area, and able to calculate the optimistic route.