Will Facebook's acquisition of Oculus VR -- and renewed excitement for virtual reality -- breath new life into Second Life? Maybe, but Ebbe Altberg, the recently appointed CEO of Second Life-maker Linden Lab, doesn’t want everyone (i.e., the media) getting overly excited about the prospect. “We have to be careful,” he tells Engadget. “We’ve learned from the past that -- even though we’ve made tremendous things -- it's still a pretty steep learning curve."