A heat map displaying downloads of MiserWare software in Japan since the earthquake hit on March 11, 2011. Graphic shows downloads as of April 7, 2011. REUTERS/HO/MiserWare

A heat map displaying downloads of MiserWare software in Japan since the earthquake hit on March 11, 2011. Graphic shows downloads as of April 7, 2011. REUTERS/HO/MiserWare