In whipping up a soy-milk-and-blueberry shake from Herbalife's ShapeWorks protein powder, Heber was also promoting the controversial dietary supplement company.

FORBES: Supplemental Income

Improvements like this would succeed in building sales--but not by capturing milk shake sales from competing quick-service chains or by cannibalizing other products on its menu.

FORBES: Book Excerpt

They go back to paying attendance fees and going to supermarkets to buy the branded foods and the low-cal milk shake powders.

FORBES: The Fat of the Land