https://phys.org/news/2018-10-apple-ios12-emojis-group-facetime.html > The update, a hefty 512 megabytes, adds two features touted back in June when Apple first previewed iOS12. The most eagerly awaited is Group FaceTime, which lets up to 32 people have a group conversation at one time. > "The tile of the person speaking gets larger automatically, so you'll never lose track of the conversation," Apple says. "You can start Group FaceTime right from a group thread in Messages or join an active one at any time."