SAN FRANCISCO - DECEMBER 4:  A man holds a Got Milk? postcard while attending a news conference for cookie scented advertisements for milk at a bus shelter December 4, 2006 in San Francisco. The California Milk Processor Board has launched a new Got Milk? ad campaign that features five chocolate chip cookie scented bus shelters in downtown San Francisco. The ads, the first of its kind in the United States, feature oven fresh chocolate chip cookie scented strips strategically placed in bus shelters that will hopefully inspire people to buy milk. Getty Images logo Getty Images 36 months ago

SAN FRANCISCO - DECEMBER 4: A man holds a Got Milk? postcard while attending a news conference for cookie scented advertisements for milk at a bus shelter December 4, 2006 in San Francisco. The California Milk Processor Board has launched a new Got Milk? ad campaign that features five chocolate chip cookie scented bus shelters in downtown San Francisco. The ads, the first of its kind in the United States, feature oven fresh chocolate chip cookie scented strips strategically placed in bus shelters that will hopefully inspire people to buy milk.