NoE said:Nintendo Letter Box: enables you to exchange messages with your friends via StreetPass and SpotPass. You can even add your own 3D Photos and voice recordings to the messages. Available December 2011 for free.
NoA said:Swapnote™ gives Nintendo 3DS owners the chance to send 3D messages to their friends via the SpotPass™ and StreetPass features. Users can hand-write messages in 3D and also include picture and sound. Available for free download in December.
We finally get what may of us were waiting for. I'm pretty happy with this, and can't wait for it to come out. What about you?