@nikitabier First part seems wrong. At least Twitter, Facebook, Instagram, Snapchat, Tiktok, and probably others (plus some that got off the ground and then crashed). That's not 50+ years.
@尼基塔比尔的第一部分似乎错了。至少Twitter、Facebook、Instagram、Snapchat、Tiktok和其他可能的网站（加上一些从地面起飞然后坠毁的网站）。那不是50多年。