In 1981 , Steve Mann designed .
In 1981 , Steve Mann built a backpack - mounted 6502 - based wearable multimedia computer with text , graphics , and multimedia capability , as well as video capability ( cameras and other photographic systems ) .
In 1981 , Steve Mann designed and built a backpack - mounted 6502 - based wearable multimedia computer with text , graphics , and multimedia capability , as well as video capability ( cameras and other photographic systems ) .