It would be so helpful if the author would make a simple statement at the beginning of the video about what this does and why it is useful. Over ten minutes into the video, we have no idea. Read the project description on Github, still no idea.<p>Why not start with, &quot;This project creates a virtual printer that advertises itself with Bonjour and writes a postscript file to local storage.&quot; Follow that with a simple statement about why that is cool and what you can do with the file, which is still not apparent.<p>Obfuscation has become the norm.