Do you remember Second Life? That online virtual world where you can create an avatar, build whatever you want, and meet people? It was a hit in the late 2000s, quickly becoming a pop culture phenomenon—and it had over a million users at its peak. Second Life was so big that Science Friday created a community there in 2007. We livestreamed our show in-world every Friday, and a huge community of avatars—humans, fairies, wolves, dogs with wings—would gather with us every week to listen.