A postcard exchange project that invites everyone to send and receive postcards from random places in the world. For free!
How to buy
1 buying option, with the steps, what each takes and the minimum spend.
tools.how_to_buy.email
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Ad spots
1 ad spot, with formats, rates and how each is bought.
- Banner Advertising
Responsive display ad · Web
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Channels
Each ad spot filed under where it runs — web, video, search, TV — so you know which one you are buying.
Web
Exchanges
The DSPs that reach this site, and who runs its ad sales.
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Categories
Similar to Postcrossing
