Do you remember Second Life? For most people, one of the first large-scale virtual worlds – where users could be whoever they wanted, build and do whatever they wanted, and even make real-life ...

The company holds a lot of experience, and some patents, which could be useful in creating virtual spaces that people want to visit. [Image: Second Life] Now Linden has got its mastermind back.

But some 50 million people log on to online role-playing games like The Sims and Second Life—and many of them never log off. The makers of a new documentary called "Second Skin," which hits ...