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We have heard from people who have different interests , who come to our meetings and explain their views . Proponents of antitrust immunity frequently claim that firms engaged in a particular industry or activity need to collaborate on matters that have special value or importance to our economy , national security , or other societal interests . We worked with database-savvy teachers and education experts to develop our own ad hoc vocabulary for resource types , and took pains to define the vocabulary to our users . These consultants did a fabulous job of playing a difficult dual role : they were , on the one hand , our sympathetic and encouraging friends and supporters in this endeavor ; they were , on the other hand , representatives of the Research Corporation charged with seeing to it that we lived up to our end of the `` contract '' represented by the funded proposal .