The "metaverse" has become a buzzword as immersive digital worlds start taking shape. But what exactly does this future version of the internet entail? In this episode, we’ll explore the building blocks coming together to construct these real-time 3D environments. While still early, virtual worlds are expanding what’s possible online for collaboration, recreation and creativity. Tech giants are investing billions into metaverse development, but an interoperable, open vision ultimately may win out.