I just saw an FB ad for this desktop toy but it would have been 4x cooler if they just made it like these: (Also seen as a kind of high tech prison in a Superman movie)
QR codes on gravesites!
I definitely understand the urge. Though I guess I feel a QR or Internet system... well it's not going to last that many more centuries than we ourselves will! Like it's still a far cry from immortality we think... and it undoubtedly overestimates our own relevancy to future generations.
(One of these decades I need to figure out how I am going to hand off the few techie/webserver based projects I run that are worth preserving after I'm gone!)
Never argue with someone who's TV is bigger than their bookshelf.