Other links Postcrossing related Postcrossing on Twitter Postcrossing twitter for quick updates on the project. Postcrossing on Facebook Postcrossing Facebook group for the users of this big social network. Postcrossing on Instagram Scenes from Postcrossing's headquarters, featuring lots of postcards, stamps and other kinds of postal loveliness! Our TEDx presentation A presentation we did on TEDxPorto with the help of postcrossers from all over the world. Finnish Postcrossing Friends Association Are you a Finnish postcrosser? Then make sure to check the association of Finnish Postcrossing Friends created by a group of staunch supporters of the project! Kiva Postcrossing Team Don't know Kiva yet? It's a great website where little money can make a huge difference. Definitely check this one out. Postcard/mail websites Postsecret The postsecret project allows people to reveal their secrets using postcards. International geek girl pen pals club Where geeks and snail mail collide! A month of letters Every February, join the challenge to send one mail item a day. The Postcardist podcast A nice podcast all about postcards! Postcard from the past A book, Twitter account and podcast about interesting old postcards. UPU address format recommendations Universal Postal Union (UPU) recommendations on how to properly format an address in each country. Post Pals A wonderful site that allows anyone to brighten a sick child's day. Mailart 365 An interesting project for all mail art artists. Making Mail A documentary exploring the beauty and community surrounding mail-art. Sites we like or recommend Bookcrossing.com A book swapping project. Geocaching A global treasure hunt using GPS devices. Ravelry A great community around knitting. Swap-bot The place to go for doing swaps. EuroBillTracker Allows you to track your Euro bills around the world. Where's George? Similar to EuroBillTracker, but for tracking US dollar bills. Toy voyagers Fluffy little things on big adventures.