While pay-per-click (PPC) is the most common form of paid placement, fixed fees (usually for a premium amount) for paid placement exist for sponsorships or "featured listings" areas on Web sites. IBM sees Green Pastures in document management.
Google Ends Premium Sponsorships Search Engine Watch News + SES San Jose Agenda Now Available + Google Ends Premium Sponsorships + Reader Q&A: June 2003 + SearchDay Articles + Search Engine Articles + About The Search Engine Update
Google's CPM-based Premium Sponsorships are being phased out, leaving CPC-based AdWords as Google's sole ad unit. The company stopped offering Premium Sponsorships to new customers last week and plans to wean existing customers from them through...
Google's Premium Sponsorships On The Way Out The Search Engine Update, May 6, 2003 http://www.searchenginewatch.com/_subscribers/articles/03/article.php/2201961 Search Engine Watch News + Search Engine Strategies Coming To London, San Jose + Yahoo...
Google has an alternative CPM product, the two "text banners" that are now called Premium Sponsorships, which appear directly above the usual editorial results. If no one's bidding on a term, you still may have to pay a premium for it.