At a symposium a scientist gives a paper. Selfish scientists do not hope others give better papers so they can come away with more knowledge than they had to offer in exchange. Quite the reverse. Each scientist hopes his or her paper will provide a large and lasting value. Antelope meat called for a gift economy because it was perishable and there was too much for any one person to eat.
Information also loses value over time and has the capacity to satisfy more than one.
In many cases information gains rather than loses value through sharing. While the exchange economy may have been appropriate for the industrial age, the gift economy is coming back as we enter the information age. The next step in the move toward sustainable business is to make the business itself a gift to society. Companies that use sulfuric acid end up with a hazardous waste. DuPont, instead of distancing itself from the hazardous waste generated by its customers, saw this problem as an opportunity to differentiate its offering in one of the most basic of commodities.