http://jp.techcrunch.com/2016/12/29/201612285g-promises-to-transform-the-world-again/
http://kunisawa.net/diary/%E3%83%9B%E3%83%B3%E3%83%80%E3%80%81%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB%E3%81%AE%E6%8A%9C%E3%81%91%E6%AE%BB%E3%81%A8%E7%B5%84%E3%82%80%EF%BC%8823%E6%97%A5%EF%BC%89/