Base2048. An encoding optimized for packing maximum data into a Tweet (which supports 280 characters, but with Unicode support).
I can't other articles on it other than that readme. Does anyone else know where I can learn more about it? Someone needs to make a Wikipedia page!
But yeah, making a wikipedia entry and adding it to this list (https://en.wikipedia.org/wiki/Binary-to-text_encoding) could spread it a little further.