This proposal comes to celebrate the act of posting via letter, where the written object will acquire, through its unfolding, the function of domestic object, that will at the same time become a memorial to the communication act made by someone close to us.
Once upon a time Nest was an envelope.
It would be a normal C5 envelope only if there wasn’t for the two holes on the back side, that reveal its interior. After opened, the procedure is very simple: Join the two holes; glow, hang and finally wait for the bird singing in the morning.