this more open approach to innovation however is not without transaction costs eg sourcing and processing of new knowledge and even financial costs eg purchasing of knowledge quilts of denmark collaborated with nasa in order to optimise inhouse innovation the quilts made by quilts of denmark are based on knowledge provided by sleep researchers who tell quilts of denmark about the real needs for quilts eg temperature regulation in relation to insomnia quilts of denmark worked on a technology for regulating the temperature in quilts but it was not completely successful