so spencer has caught up with harry moseley, the company's chief information officer, to find out a littlen daily participants on the platform, in march it went to 200 million people, and in april it shot up to over 300 million daily participants on the platform. i want to talk about your virtual background, because that's the thing that's just amazed so many people. can you explain what's going on, because it looks to me like it's trying to find the human being, and as i move different objects across my body you can see it kind of removes them, which is very... it obviously knows that that is not part of a hand, that cup is not part of my body and so it's removing it from my hand. what is going on? it's mapping out my body, it's so it can recognise my face and...and it's also focused on this room. but, typically, when you walk backwards into the virtual background, you actually disappear into the virtual background, i don't know if you've noticed that. yep, yeah. because it's...the camera seeing, you know, sort of, it's seeing the physical presence and then it's...but then it can't see it