Efficient Frontier is the worldwide market and technology leader in providing search engine marketing (SEM) solutions for large advertisers and agencies. Founded in 2002, Efficient Frontier pioneered the application of modern portfolio theory to SEM and today combines its core predictive modeling algorithms and bidding technology with comprehensive strategic and tactical value-added services to manage more than $750 million in annual search spend globally. The largest and most sophisticated advertisers and agencies partner with Efficient Frontier to achieve and sustain optimal campaign performance and growth in highly complex and competitive search marketplaces. The company has over 200 employees and is headquartered in Sunnyvale, CA with offices in New York, the United Kingdom, France, Germany, Hong Kong, and India, and technology licensing partnerships in Japan and Australia. Efficient Frontier is a privately held company with funding from Redpoint Ventures and Cambrian Ventures. For more information, please visit www.efrontier.com and subscribe to the Efficient Frontier blog at blog.efrontier.com/.