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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.
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.