1931
Hell freezes over, MS Paint adds support for layers and PNG transparency
(arstechnica.com)
This is a most excellent place for technology news and articles.
They are good for glitch art (open in text editor and start mangling and you get some really cool results)
EDIT: references
It's like corrupting 8-bit games, isn't it?
I couldn't tell you the technical reasons, but yeah same concept: Break the source data in just the right way that the end result is interpret-able, but with interesting defects. There is a bit of an art to cutting and pasting and sculpting the data in just the right way. You get a feel for it after a while.