Second Life is an online virtual world, developed and owned by the San Francisco-based firm Linden Lab and launched on June 23, 2003. By 2013, Second Life has approximately 1 million regular users.
The true unique nature of second life is in it’s strong community. You don’t only interact with other users, but you can create your own environment and let people enjoy it. This virtual world is absolutely amazing – it’s definitely worth your time.