Mre Contents

Auto-heating coffee in a can?
Who saw coffee drinks in a CAN-like container in which the same type of heating in an MRE? They give the Water in the walls of the container and a kind of chemical reaction occurs, which heats the contents of the can? I've also seen this technology to serve individual meals (In hurricane-relief heat meal packages). What brand of coffee is one? Who makes it?
Think of the Wolfgang Puck self-heating Lattes.Sadly where they drew the Shelves because of the disturbances full article here http://www.singleservecoffee.com/archives/005666.php