It's already a thing (http://humanstxt.org/ http://humanstxt.org/), and Google's has had the file for quite a while now. It's currently used mostly as a "paint

It's already a thing (http://humanstxt.org/ http://humanstxt.org/), and Google's has had the file for quite a while now. It's currently used mostly as a "painting's signature", a point of pride for the team behind the site. Looking through all the comments in this thread you will see many other examples.