Vending machines have provided convenience (and some inconveniences) for decades, but other countries are taking the market ...

Vending machines might seem like super unsexy and plain businesses. But, say some entrepreneurs, the simplicity is what makes them so appealing.

Print artist Ana Inciardi sells her art through vending machines at 50 locations. Instead of snacks, Inciardi's three-slot machines produce prints you can collect, for the low price of four quarters.