2021 0M 750M 1,500M 2,250M 3,000M Facebook YouTube WhatsApp Messenger Instagram WeChat Tik Tok Douyin QQ Telegram Snapchat** Sina Weibo Kuaishou Pinterest Reddit Twitter Quora 300 396 430 459 481 521 528 550 595 600 732 1,225 1,287 1,300 2,000 2,291 2,797 每⽉活躍⽤⼾ #FBNumberOne