bem barringo dating back to 1960 today still prevent most american trade and commerce with cuba. >> there are exceptions. somebody once said it has more holes. you have to know where the holes are. food and medicine have been exceptions. the new parliament ushered in new communications. including communications, cellphones, insurance, microfinance. this largely untapped market, 90 miles off the coast may be tempting. it may be what you expect. especially when you dig deeper. the cuban market may seem like a market with american businesses. you have to consider the buying power of cubans, the average salary is $20 a month. they take that and buy foods and vegetables. this is a market where the price is lower. they take the salary and this. this is a ration card that basically itemises out how many beans and rice for the month, and the proportions are small. when you take both of those, in official terms, the buying power is not great. >> translation: in general this market is a projected of the military. it assists and helps cubans to buy products. >> though some residents boost the buying