Of course there were huge volume of Japanese user communications on Japanese SNS, PC and mobile networks.

FORBES: The Great Eastern Japan Earthquake and Social Networking in Japan

Last summer Gree recorded 35 billion page views from mobile phones compared with only 400 million from PCs (Japanese SNS subscribers at over 25 million).

FORBES: The Great Eastern Japan Earthquake and Social Networking in Japan

In contrast with SNS usage in the U.S., Japanese users are more mobile-centric: in a population of 127 million, more than 100 million mobile phones in Japan belong to the 3G standard, about 30 million more than in the United States (with a population of 300 million).

FORBES: The Great Eastern Japan Earthquake and Social Networking in Japan