There are examples of medieval books with ads in them, so it seems such advertisements are older than mass media or the printing press. http://medievalbooks.nl

There are examples of medieval books with ads in them, so it seems such advertisements are older than mass media or the printing press. http://medievalbooks.nl/2014/12/05/medieval-spam-the-oldest-advertisements-for-books/ http://medievalbooks.nl/2014/12/05/medieval-spam-the-oldest-...