The product is secondary, a means to an end.

FORBES: My Choice To Leave My Corporate Job In Search Of Something More

Where people actually buy the product in the end becomes of secondary importance.

ECONOMIST: Now they have assumed power, what will consumers do with it?

Industrial diamonds are a secondary, low value but well salable product.

FORBES: Is The Diamond Market About To Collapse Over Huge Russian Find?

Because Ericsson, Nokia and Motorola did not embrace convergence so readily, disregarding information technology as forever secondary to voice, they allowed a new product to enter the market, mobile email, without giving it much consideration.

FORBES: The Significance of Ericsson's Departure from Handsets

We believe that a secondary market would enable Amazon to generate revenues multiple times from a product sale instead of one-time.

FORBES: Is Amazon Ready To Sell Used Digital Products?