Columbia, MD - Jul 28, 2011 - Arbitron has acquired Zokem, a Finland-based mobile audience measurement and analytics firm for approximately $11.7 million. Zokem provides custom and syndicated mobile research panels, plug-and-play mobile media measurement tools and software building blocks for mobile device tracking to the leading companies in the marketing research, wireless, Internet, media and marketing industries.

Through its proprietary and passive mobile application, Zokem customers can track and interpret consumer use of mobile devices and media. The technology also provides information on network performance and effectiveness of mobile ad campaigns. Zokem currently operates panels in 14 global markets and has relationships with a number of the largest mobile industry participants around the world.

Zokem will operate as Arbitron Mobile, which will be led by Dr. Hannu Verkasalo, Zokem founder and CEO, and will report to Sean Creamer, executive vice president, U.S. Media Services for Arbitron.