I drew these two pictures for the shrine, one is white and another one is black.
Below is the cover of the sign book which is for people to write down their words for landline telephone. I prepare an A5 size landscape form book as sign book.
Last but not least, this is our QR code which is for people taking photos to memorize landline telephone. This link will have a visual summery of photos if people hashtag #futureobsolete.
this QR code links to: http://statigr.am/tag/futureobsolete