Kotaku - The Gamer's GuideA thousand dollars in annual credit card fees might seem crazier than... well, the cost of a first class seat bought with cash, but the two best premium travel rewards cards really aren’t in direct competition, and those fees feel very different in practice than they look on paper.
面白法人カヤックの学生絵描き買い叩き問題のまとめ
グリー躍進、本当の理由（前編）：日経ビジネスオンライン
