. >> james xavier parise knows a lot about wine. >> wine had always been a passion of mine. and it's something that i've studied since i was 18 years old. >> he also knows a lot about how well his wine is selling thanks to the analysis he gets through a mobile point of sale system. >> point of sale system is a combination of your register, customer accounts, what they're buying, and also your inventory levels. it will see where percentage of sales go and you'll also, heck, i've got what my newsest system will actually factor in weather as determinations of what's going on. >> reporter: the technology helped him figure out an important factor how to grow his business. he says his wine company needs to be able to meet customers wherever they want to do business. >> i've got to expand and get out there. i've got to get known. i've got to bring my products to the people. so i'll conduct tastings. >> so he's hosting tasting events and doing business outside of his stores even on a boat. you want to make sure that you can take people's currency anywhere they want to do business wi