Facebook Inc. launched its first smart glasses on Thursday in a step toward its aim of offering true augmented-reality spectacles. The glasses, which were created in partnership with Ray-Ban maker Essilor Luxottica, allow wearers to listen to music, take calls or capture photos and short videos and share them across Facebook’s services using a companion app. Facebook said the glasses line, called “Ray-Ban Stories,” would … Continue reading Facebook unveils its first smart glasses