After reading "Androids" from Chet Haase, I found that
Google was using a funny challenge to hire some people.
I wanted to solve the puzzle (very) quickly using Rust.
In Silicon Valley, Google used a billboard to display a puzzle, which allows you to decrypt a message, access to a website in order to solve a second puzzle, and finally use the response to access another website and send your application as a software engineer.
All started with this billboard...
An article about the subject: http://haacked.com/archive/2004/07/13/google-mysterious-billboard.aspx/.