Hiroshi Mikitani, chairman and chief executive officer of Rakuten Inc., speaks at the 15th Nikkei Global Management Forum in Tokyo, Japan, on Monday, Oct. 21, 2013. The forum runs until Oct. 22. Photographer: Kiyoshi Ota/Bloomberg via Getty Images

Hiroshi Mikitani, chairman and chief executive officer of Rakuten Inc., speaks at the 15th Nikkei Global Management Forum in Tokyo, Japan, on Monday, Oct. 21, 2013. The forum runs until Oct. 22. Photographer: Kiyoshi Ota/Bloomberg via Getty Images