Product placement is huge in films now. How often do we notice it though?
Here is examples of product placement is the film Transformers.
A big-budget feature film that has expectations of grossing millions may attract many commercial interests; however, the film studio must also analyze if a product fits with the image of the film. A high-profile star may draw more attention to a product, and therefore, in many cases, this becomes a separate point of negotiation within his or her contract. Firms paid $722 million in fees, free product placement, and promotional support for film placement in 2005, and by 2010, spending on film placement is predicted to surge to $1.8 billion. In 2002, Volkswagen spent a estimated $200 million in fees to be integrated into NBC Universal films.
Here's a documentary film about product placement in films:
THE GREATEST MOVIE EVER SOLD