Olympic sponsors are using a variety of creative tactics to maximize their investment.

Little champions
Olympic worldwide partner McDonald's is using its "Champion Kids" program as a global platform to promote exercise and health. Up to 300 kids are being recruited to serve as Olympic brand ambassadors for the fast-food restaurant chain.

Starting August 9, children will be provided with transportation to the Games, and invited to events, to visit the Olympic Village, and to be involved in post-medals ...