Someone paid $44 billion for it, that's a clear marker of what it was actually worth — do you think there's some objective universal scale that defines worth?

Someone paid $44 billion for it, that's a clear marker of what it was actually worth — do you think there's some objective universal scale that defines worth? In any case, Twitter was worth as much as $60 billion in early 2021 [0], so we can still say it's been a service valued in the tens of billions. What is the expected timeframe for a declining service in that market cap bracket to "die"? Which examples do you have in mind? Geocities? Myspace? [0] https://www.financecharts.com/stocks/TWTR/summary/market-cap https://www.financecharts.com/stocks/TWTR/summary/market-cap