Second Life: Whats up with that?

Second Life started in 2003. It is a virtual world witch has grown explosively and today is inhabited by millions of Residents from around the globe. They say you can buy there your parcel of land
to build your house or business.

There is also THE MARKET PLACE that currently supports millions of US dollars in monthly transactions. This commerce is handled with the inworld unit of trade, the Linden™ dollar, which can be converted to US dollars at several thriving online Linden dollar exchanges.

http://secondlife.com