【天只有井口大】中国微信天下第一（不知世界其他地方早有各种即时通讯应用）
https://chanworld.org/community/%E4%BC%91%E9%97%B2/%E3%80%90%E5%A4%A9%E5%8F%AA%E6%9C%89%E4%BA%95%E5%8F%A3%E5%A4%A7%E3%80%91%E4%B8%AD%E5%9B%BD%E5%BE%AE%E4%BF%A1%E5%A4%A9%E4%B8%8B%E7%AC%AC%E4%B8%80%EF%BC%88%E4%B8%8D%E7%9F%A5%E4%B8%96%E7%95%8C%E5%85%B6/#post-795