I actively participated in postcrossing during the first 4 months. It is really fun. Suddenly, you will get loads of picture cards from tiny nations that you might not even know how to spell their names. I think I have received 22 cards through postcrossing and another 38 cards via random exchange. So, I have 60 cards from at least 50 unique countries.
(Summary of sent and received cards:thiru)
I have decided to make a world map showing the nations from which I have received the postcards (shown as red coloured in the below pic). I would like to create one day - a colourful world map with the postcards instead of this red map. Soon, it will be ready!
(Countries from which I have received postcards: with the help of:world66)