Gregory's ServerThis is worth sharing.
It's an animated GIF where every frame is a valid QR code that leads to the "Never Gonna Give You Up" rickroll.
That's kind of amazing.
 38 comments
BTW this QR code only uses Error correction level L (Low, 7%), so there's room for more. :D  @ThatCrazyDude @atoponce I abused this capability to make liner art for a mixtape concept album once!   @atoponce @federicomena well this is definitely a gif for @iconography@glitterkitten.co.uk 👀↑^   @atoponce Also it's technically impossible to rickroll yourself. 😂 Has anyone accidentally tried it?   @xssfox @atoponce Well I just dug up your original toot about it (https://cloudisland.nz/@xssfox/106525258714227563), but alas I can't help you with the source files. 🙁 @mattcen @xssfox @atoponce yes, I too went looking for the original toot that @xssfox posted (2021-07-05). The two animated QR codes are distinctly different: the recently posted one is a lower detail/resolution QR code, and has a lot more “dot shimmer” frame to frame around the figure to make it still decode, where as the @xssfox 2021 post is high resolution and all “dot adjustment” is within the figure and less obvious. @ewenmcneill @mattcen @atoponce checking my backups and I can't find it, leading me to think I did all my work in my ~/Downloads folder (no unusual for me)  Worth noting for anyone who can't see it that the novelty is that these valid QR code frames together also form a grainy black and white animation of Rick Astley dancing!
I wonder, are they all interpreted as the same QR code, just with different noise added, or are they actually pixel by pixel all correct QR codes that are somehow reformulated to form a different Rick Astley shape?  LOL, But you know we've got a few people that don't even know what a rickroll is...  @atoponce This boggles the mind, but explaining it beforehand kind of takes all the fun out of rickrolling. 😉 |
@atoponce yeah. It's pretty amazing how they managed to squeeze so much redundancy in QR codes. You can fuck up 30% and still have it scan correctly