Ambush marketing involves a non-sponsor intentionally associating themselves with a sponsored event through advertising and promotions in order to confuse consumers into thinking they are an official sponsor. The objectives are to maximize returns and undermine official sponsors. Common tactics include advertising around event broadcasts, signage near venues, consumer promotions, and congratulatory ads. Studies show ambush marketing can confuse consumers and diminish the value of official sponsorship deals. Event organizers face hurdles in educating the public and making ambush marketing seem unethical. Examples are provided of ambushes by Pepsi at the World Cup and Hindustan Unilever against a Pantene campaign.