Here is a very good article detailing pretty much everything you ever wanted to know about Second Life. Current population is at 800,000 and is expected to break 1 million by January 2007. While Second Life is growing, there is still a gulf between those who “get” it and those who don’t. It certainly is a strange experience at first and takes some time to get used to. I think the software has to get much more simple to attract the masses. But for the geek elite, at least for now, it’s the place to be.
Second Life Nears 1 Million Residents