Licson Lee says to YSITD https://blog.gslin.org/archives/2016/05/22/6590/google-%e5%88%bb%e6%84%8f%e8%ae%93-allo-%e4%b8%8d%e5%ae%89%e5%85%a8%e7%9a%84%e6%96%b9%e6%b3%95/