Efficiency and effectiveness There is the potential that AR can promote the efficiency of learning and training in academic and corporate surroundings by providing information at the right time and right place and offering rich content with computer-generated 3D imagery. AR may appeal to constructivist notions of education where students take control of their own learning and could provide opportunities for more authentic learning and training styles. Besides, there are no real consequences if mistakes are made during skills training in terms of dangerous and hazardous work environments. As the results of several studies have shown, AR systems can provide motivating, entertaining, and engaging