we are a group of engineering students from University of Pennsylvania.
In our final project, a concept of Heating Sleeping Bag has been initiated: Merging with the latest paper battery technology, the definition of sleeping bag will be redefined. A sleeping bag built with heating function (or even plugs!) is proposed.
We are conducting marketing research in order to refine the aspects of our product. Could you kindly help us with our online survey? This survey will take you no more than 10 minutes. We sincerely appreciate your patience and opinions:http://tinyurl.com/y3xjnkd