Today i was causally looking through github when this github users winstonrc/README.md had a cool flashing cursor.<p>LINK: <a href="https://github.com/winstonrc">https://github.com/winstonrc</a><p>Wow thats cool. how did they do it.
Opening file in new tab reviled its. wait what? a png file? this has to be a error.
NOPE!
turns out a file format called APNG animated PNG, allows for animations by extending a normal PNG file past is normal end byte length.
very interesting.<p>Possible Use cases:
Animated Profiles for websites that disallow .GIF's<p>Enjoy!