Ha well the use of 'portals' to warp between spaces (eg, burning man!) definitely felt like "entering the underworld". This definitely had a second-life-in-a-browser vibe. I know a few artists that would love to hold virtual gallery tours in a set up like this.
(also, pluto+video made me think of pluto.tv - a live tv app)
(also, pluto+video made me think of pluto.tv - a live tv app)