In the past, salespeople tended to have the edge over most buyers in terms of information. However, over the past 15 years access to timely and accurate information related to their business has changed how purchasing agents view their jobs. For one thing, they have been able to get a better handle on their costs and can better determine which items to buy and from whom. How has this proliferation of information affected the relationship, both interpersonally and professionally, between purchasing agents and the sales reps calling on them?