An advertising postcard is a physical postcard that contains marketing information about a product or service. These postcards are typically used to promote special deals, discounts, or other offers from businesses.

Advertising postcards can be an effective marketing tool because they are personal and tangible. Postcards can be sent directly to potential customers, which gives them a level of intimacy that other forms of marketing, such as television commercials or online ads, lack. Furthermore, because advertising postcards are physical objects, they can be kept and displayed by the recipient, which allows for repeated exposure to the marketing message.

However, advertising postcards also have some disadvantages. For one, they can be expensive to produce if they are printed in large quantities. Additionally, because they are physical objects, they can be easily lost or forgotten, which means that their marketing message may never be seen by the intended audience.

Overall, advertising postcards can be a valuable marketing tool for businesses, but they should be used judiciously and in conjunction with other marketing channels in order to maximize their effectiveness.