https://blog.wongcw.com/2020/01/14/%e8%b0%b7%e6%ad%8c%e3%80%81sonos%e5%b0%88%e5%88%a9%e4%b9%8b%e7%88%ad%ef%bc%9aspotify%e5%92%8cnetflix%e5%a4%be%e7%b8%ab%e6%b1%82%e7%94%9f/
谷歌、Sonos專利之爭:Spotify和Netflix夾縫求生