As if people chowing on popcorn doesn't make you hungry enough, theatergoers in Europe could soon be smelling their ads via "endorphin branding," with scents being pumped through the air-conditioning system. This has the potential to be awesome (freshly baked cookies!) or not so awesome (do you really want to smell like McDonald's?).
All products linked here have been independently selected by our editors. We may earn a commission on purchases, as described in our affiliate policy.