Reverse logistics means controlling the flow of material, inventory and finished goods from point of consumption to point of origin, for the purpose of recapturing value or proper disposal.

FORBES: Could a closed-loop system be the solution to reducing waste?

When the chain went public in 1989, the same issue presented itself: Is the purpose of a newspaper company to maximize shareholder value -- or to maintain a dynasty?

FORBES: Not in the family

"When you are creating a currency whose purpose is to be unregulated and then that currency gains value and its exchange rate with the dollar or the pound sterling increases, then clearly this is going attract all sorts of people who want to launder their illicitly earned money, " he says.

BBC: Digital currency: Brave new world or criminal haven?