I do not know what it is; but, how did being quarantined, with no actual school, no actual classes except with Zoom and Google Classroom, equals being twice as busy? Anyway, this is really cool, my kiddos love it... https://pasadena.macaronikid.com/articles/5ea0c96699d8920c42196f93/10-free-zoom-virtual-backgrounds-you-and-your-kids-will-love