Postal comes from the word posta and with it the suffix -al is composed, which means relative to, and is a term that denotes the relationship with the mail service that is generally associated with the notion of cards, which is a rectangular piece of cardboard or paper thick that usually put a decorations on one side and on the other a space to write.
When they send a postcard it is an economic service for the action and result of a traditional letter, generally in terms of the decoration of the postcards they place a photograph of the place where it was bought, for this reason the resource is used to maintain communication during travel or to bring a souvenir of the city they visit.
The period or the era of the internet has turned cardboard or paper postcards into objects of a set of things and little used today.
The digital postcards that they send through email that allow the inclusion of provision of movements which have replaced, among the sales of digital postcards, there is immediacy and low cost at no cost.
The disappearance of letters and postcards, to be replaced by their digital alternatives, and it is far from representing a certain change, because many years ago the sending of a handwritten note, with imperfections, with tears, kisses, drawings, doodles and all kinds of personal adornments that kept a bond alive in a spontaneous way, but less everyday.