I don't see #Nostr as a compelling YouTube replacement yet. It isn't even close in my opinion. TikTok, probably (I don't use it). The others, definitely. I have already replaced them.

nostr:nevent1qqs9pjeldzfysluqz5x2c9de48e62x0296265782j23dsvde8h6ewrqpr3mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmqzyrhyx2z3ygftm54d0qf7m4nqyhxwak5rgljeu8f46nza322rm4znjqcyqqqqqqgsjee8d