A few days ago, I was poking around Creditkarma's blog and I noticed this HTTP header: X-hacker: If you're reading this, you should visit wpvip.com/careers and apply to join the fun, mention this header. My first thought was: "Wow, back in the day we had the Millennium Bug to save a few bits on a date, and now companies have an entire job offers in an HTTP header!" This made me very curious, so I