scores first used ref name worldprivacyforumorg information brokering emerged career individuals decade ref name inc ref however business information brokering become widely known specifically regulated ref name worldprivacyforumorg kelly warnken published first fee based information directory followed ''journal fee based information services'' ref name sabroski ref book ''the information brokers start operate fee based service'' beginning late twentieth century technological developments development internet increasing computer processing power declining
Applied science Library and museum studies Information broker