Rakuten used to have a very strong feud running with Softbank in the early part of the last decade, especially when it came to early eComm growth in Japan. Whi

Rakuten used to have a very strong feud running with Softbank in the early part of the last decade, especially when it came to early eComm growth in Japan. While Masayoshi and his merry band at SoftBank have grown leaps and bounds with multiple diversifications, Rakuten has never been able to keep pace. Kakao Talk is quite popular in the region and has a partnership with Yahoo Japan(SoftBank)...Rakuten can position Viber to take this on.