Sending Postcards in Modern Days

Postcrossing.com is a website that I use very often. It brilliantly continues the old school traditional snail mail using modern technology.

Postcrossing users are given a random user’s postal address and a card ID to send a physical postcard to them. In return, they will also get a postcard from another user. When the user gets a postcard, they register the card ID at the website and they can write a…