App developer Jonathan Stark would like to buy you a cup of coffee. The only catch, perhaps, is that you have to be short of cash and thirsty, and yet also have a working smart phone. What Stark has done is create a screenshot of his Starbucks card app–interested parties are encouraged to download the picture onto their phone, and then “show” it to the Starbucks reader. Continue reading Socialized Coffee, One Smart Phone at a Time