並前往https://www.businesstimes.com.hk/articles/131436/signal-%E6%95%99%E5%AD%B8-%E5%8A%9F%E8%83%BD-%E6%87%B6%E4%BA%BA%E5%8C%85-%E7%A7%81%E9%9A%B1-whatsapp-%E7%A7%81%E9%9A%B1%E6%94%BF%E7%AD%96-%E6%96%B0%E6%A2%9D%E6%AC%BE-%E8%BD%89%E6%9C%83/
