I'm doing the hardware design on this project, and having a lot of fun doing it. We're excited to have the signs out there for people to start using!
I've used on of these. Really helps <i>that</i> guy get a hint and leave you alone when you're trying to get work done.<p><a href="http://heeris.id.au/2013/this-is-why-you-shouldnt-interrupt-a-programmer/" rel="nofollow">http://heeris.id.au/2013/this-is-why-you-shouldnt-interrupt-...</a>