How good are you at identifying country shapes with the mercator distortion?
http://bramus.github.io/mercator-puzzle-redux/
Might need to zoom in a little. The original was a little easier, but didn't randomise the country set - the redux version picks lots of tiny globs that are hard to identify at scale
https://gmaps-samples.googlecode.com/svn/trunk/poly/puzzledr...
http://mrgris.com/projects/merc-extreme/
It is interesting how WebGL is enabling the use of dynamic re-projection and making the old web Mercator tile pyramid obsolete. Also kind of sad, though; the 'slippy map' heralded a new age of map openness, interoperability, and opportunities for remixing. I will be very sad to see that go...