Abstract: A method for advertising and sales comprising: a first electronic device which is carried by an ad agent, wherein said first electronic device contains a list of ad products used by said ad agent and wherein when first electronic device inquired by a second electronic device which is carried by a potential buyer that is located within proximity to said ad agent, first electronic device provides information about said ad products to said second electronic device. The method further comprises servers which receive and store information on the inquiries performed between said first and second electronic devices and enables on-line purchasing of the ad products. Ad products are typically consumer products including shoes, clothes, bags, apparel, watches, glasses, luggage cases, accessories, mp3 players, cellular phones, tablets and laptops.