India, June 18 -- FIFA's business model relies on corporate sponsors that pay premium fees for exclusive rights. In return, the organisers guarantee they'll be the only brands visible to billions of viewers worldwide. To protect these contracts, FIFA enforces rules to stop 'ambush marketing' - when a brand that hasn't paid for sponsorship attempts to gain exposure during tournament events. If a company isn't an official partner, FIFA works to keep its branding out of the broadcast....