The Attention Economy, T. H. Davenport & J. C. Beck, Harvard Business School Press, 2001.
06/2001
Source: front flap presentation."Trillions of documents circulate in U.S. offices annually. Internet traffic doubles every hundred days. Approximately two hundred messages flood managers' desktops daily. Welcome to the attention economy, in which the new scarcest resource isn't ideas or even talent, but attention itself."