As much as this seems a little glib ( ;-) )  I was just thinking this myself.  This is not necessarily new territory... just the user interface technology may have changed a bit.<p>I think Second Life still kicks around (I might even check), but it seems like the next wave of hype may simply be a case of what is old is new.<p>Of course, thinking a bit more and being a bit glib myself, perhaps this really means that Second Life may have a thir... er.... second life itself.