https://blog.wongcw.com/2021/06/08/wwdc-2021%ef%bc%9a%e8%98%8b%e6%9e%9c%e5%a4%a7%e8%88%89%e6%93%b4%e5%b1%95%e9%83%b5%e4%bb%b6%e6%87%89%e7%94%a8%e3%80%81%e7%80%8f%e8%a6%bd%e5%99%a8%e3%80%81%e4%bb%a5%e5%8f%8asiri%e7%9a%84%e9%9a%b1/
WWDC 2021:蘋果大舉擴展郵件應用、瀏覽器、以及Siri的隱私特性