Fontulator – Use unicode mathematical variables to achieve weird fonts (id.8x.cc)

From the about page: Invisible in most major operating systems until recently, the unicode specification defines a bunch of weird tables which are intended to be used as mathematical variables, for people who are not satisfied with good old a to z, a′ to z′, a′′ to z′′, etc.

Many of these are composed of the full roman alphabet, meaning a fun hack is possible which allows you to type with a weird font in places where you cannot normally use formatting – such as a filename, facebook status, or anywhere you can type unicode text.

A similar strange character block caused interesting problems before:

Creative usernames and Spotify accounthijacking: http://labs.spotify.com/2013/06/18/creative-usernames/ (Discusion: https://news.ycombinator.com/item?id=5902286 (267 points, days ago, 79 comments))