Davenport, Thomas H., 1954- The attention economy : understanding the new currency of business / Thomas H. Davenport, John C. Beck. - Boston : Harvard Business School Press, c2001. - ix, 255 p. : col. ill. ; 25 cm. Includes index. Subjects--Topical Terms: Attention.Personal information management. LC Class. No.: HD30.2 / .D38 2001