a pair of glasses which are more augmented reality. rather than being completely concealed in a headset, you can actually start to merge reality and the digital world as well. there's lots of applications that we have been looking at, things like health care using that kind of application. we can start to see some quite exciting examples of things that we can do with that technology. and then mixed reality is where it is more the star trek vision. the holodeck type of thing where you bring them together and there's this word called �*figital�*, a terrible word but that describes the physical world and digital world to start to interact. if i pick up a pencil, will the digital world respond? there's a lot of challenges creating this metaverse as well as connecting probably multiple metaverses together. and enabling us as users to navigate through those multiple worlds in a very consistent way. you have given us some enticing glimpses, but let's try and pin down exactly what the metaverse will be. lauren, some of our listeners