Verified	Status	Citation	Memento
2023.07.20	a	https://blog.youtube/news-and-events/onebillionstrong
2023.07.20	a	https://www.statista.com/topics/2019/youtube/#topicOverview
2023.07.20	a	https://www.statista.com/statistics/195140/new-user-generated-content-uploaded-by-users-per-minute
2023.07.20	a	https://youtube.com/intl/en_us/ads/how-it-works/set-up-a-campaign/audience