Fast-food chain describes reveal as 'Whopper of a secret'.
Ad follows November's 'Holidays are coming' launch.
Will be setting up a bespoke agency network team dubbed One Touch to manage the business; Mumbai among the hubs for the unit
Asia-Pacific posted the strongest rate of growth, albeit from a modest base.
BuzzFeed has obtained recording of conversation between Ogilvy's global CEO, John Seifert and concerned staff.
Pharma giant's media is handled by Starcom in many markets.
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