Mondelez International, the owner of Cadbury and Oreo, has kicked off a review of its GBP1.2 billion global media planning and buying account. The contest, which is the latest in a slew of global media pitches by international corporations over recent months, will be a shoot-out between Dentsu Aegis Network and Starcom MediaVest Group. Dentsu Aegis Network manages most of the Mondelez business in Western and Central Europe and Asia-Pacific. SMG works with the company in the Americas, and Eastern Europe, the Middle East and Africa.