Department stores : dinosaurs and champions -- Mass retailers : gone are the days -- The old five-and-dime : an endangered species -- Supermarkets : competitive victims -- Discounters : challengers and warriors -- Speciality clothing stores : battling the giants -- Home improvement centers : a new powerhouse -- Hamburgers : gold in those hills -- Hotels : adventures in lifestyle market segmentation -- Credit cards : the plastic wars -- In-home shopping : retailing without walls.