RT Journal Article SR Electronic T1 Buying Services and the Media Marketplace JF Journal of Advertising Research JO J Advert Res FD WARC SP 37 OP 41 DO 10.2501/JAR-40-5-37-41 VO 40 IS 5 A1 Bogart, Leo YR 2000 UL http://www.journalofadvertisingresearch.com/content/40/5/37.abstract AB In this paper the author traces the history and development of media buying services (or buying shops) in the USA and Europe. He considers the changes in the media and business environment that have occurred, especially in the last 10-15 years, and concludes with a warning.