Does anyone know what sort of sensor they are using on this? It's an interesting concept, but seems destined for durability issues.
Doing some back of the napkin math...If the hardware lasts 12 months (probably less than that...), I'm guessing Coke would ask a ~$2000 markup on a standard machine (about twice the typical price) add in $500 in power consumption. That's $2500.
Say the bottles net $.65 each. The machine would need to sell 10 additional bottles a day to break even. Probably 20 to be worth the risk.
Makes sense in high circulation areas like airports and Disneyland, not so much for the office cafeteria.