They may have just stopped telling us they are there...

They Wrote a PAPER! which is really what science is about.

I've used enlightenment 17 for many years now and been very happy with it. I use 4 monitors, all with different 'screens', but can make windows stretch across all of them when needed. I use the fake-xinerama options on startup to split up the screens presented by the nvidia driver into subscreens.