Not only is this site modeled to a mature audience, there is functionality for chat, voice chat and a plethora of other great applications. What a great way to talk with and interact with family if you’re seperated by great distances!
Twinity, like WOW, did not dissappoint.
and some information about running your own business in Twinity:
What actually caught my eye is that Twinity is looking for people to host some of their communities
Twinity offers three types of Partner programs. One of these may fit your online business, depending on which aspect suites you best
Give it a read, and maybe get your own business going!