Why Plan 9 is not dead yet and what we can learn from it (2005) [pdf]
I up-voted this in "new" in the hopes of an interesting debate from smarter people than me about why Plan 9 didn't succeed or what would it take for a new OS to break the status quo. But 2 hours in, 0 comments. Is there really nothing to say anymore about this?Okay. here's a question: 
how would the world look like today had Android started based on Plan 9 instead of Linux?