Let's unveil the hidden aspects of the languages of the web: how to write scripts with only six different characters, abuse the PNG compression to minify code and create a handcrafted version of Excel in less than 300 bytes. At first glance this has nothing to do with our reality – it shows you uglified code that you’ll never use during your day job. But it also reveals a force that we developers are following at night, when nobody is watching us. A kind of energy that we can use to organize complexity and create beautiful code.