https://qooah.com/2014/01/23/phablets-%e5%8f%97%e7%86%b1%e6%a3%92%e5%8e%bb%e5%b9%b4%e5%85%a8%e7%90%83%e5%87%ba%e8%b2%a8-2000%e8%90%ac%e9%83%a8/