https://developers.google.com/search/blog/2021/04/changes-to-feedburner
一些报道：
1️⃣https://www.cnbeta.com/articles/tech/1115241.htm
2️⃣https://techcrunch.com/2021/04/14/googles-feedburner-moves-to-a-new-infrastructure-but-loses-its-email-subscription-service/
#Google 是要布局自己的付费 Newsletter 服务吗？
