In an exemplary system, information is received at a central location from different units of a commodity. The information is generated from two-way local interactions between users of the different units of the commodity and a user interface in the different units of the commodity. The interactions...http://www.google.com/patents/US7222078?utm_source=gb-gplus-sharePatent US7222078 - Methods and systems for gathering information from units of a commodity across a network
