Pleasant_Broccoli451
Submitted by Pleasant_Broccoli451 t3_zyxipg in explainlikeimfive
Submitted by Pleasant_Broccoli451 t3_zywbmk in tifu
Submitted by Pleasant_Broccoli451 t3_zyxipg in explainlikeimfive
Submitted by Pleasant_Broccoli451 t3_zywbmk in tifu
Pleasant_Broccoli451 OP t1_j28bayv wrote
Reply to comment by greatvaluemeeseeks in Eli5: How does a product know it's paid for? by Pleasant_Broccoli451
Ok I understand that magnet part! That makes total sense but how about the normal products with a normal bar code printed on the packaging?