Congress: The Electoral Connection was an important book when it appeared in 1974, and it remains one 25 years later. One measure of the importance of a work is the research that it stimulates. Mayhew's focus on advertising and credit claiming has led to a good deal of research on these activities, and those who study Congress have learned much from both Mayhew himself and the scholars he inspired. Moreover, analyses of advertising and credit claiming continue to proliferate and have recently been conducted on legislatures outside the United States. His identification of the third electorally-motivated activity, position taking, has had a more subtle and insidious impact on the study of Congress.