Correspondence: Stefan Eikelmann, Booz Allen Hamilton GmbH Zollhof 8 Dusseldorf 40221 Germany. E-mail: eikelmann_stefan@bah.com

¹is a vice president with Booz Allen Hamilton based in Düsseldorf. He focuses on information and communication technologies and leads the firm's related engagements in Germany, Switzerland, and Austria, and Eastern Europe. His main areas of activity relate to large-scale transformation programmes, as well as strategy, organisation and operations (eikelmann_stefan@bah.com).

²is an associate with Booz Allen based in Riyadh and Beirut. He focuses on information and communication technologies and has global experience in strategic and business planning, technology planning, marketing planning, product development, regulations, change management and operating models (hajj_jad@bah.com).

³is a principal with Booz Allen based in Munich. He focuses on information and communication technologies with particular emphasis on strategic planning, marketing and sales planning, internet business models and industry-level disruptive trends and insights (peterson_michael@bah.com).

Received 8 July 2007; Revised 8 July 2007.

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