https://blog.wongcw.com/2018/09/25/%e5%be%ae%e8%bd%af%e5%ae%a3%e5%b8%83surface-hub-2%e6%98%8e%e5%b9%b4q2%e4%b8%8a%e5%b8%82%ef%bc%9a50-5%e5%af%b84k%e8%b6%85%e7%ba%a7%e5%b7%a8%e5%b1%8f/
微软宣布Surface Hub 2明年Q2上市:50.5寸4K超级巨屏