Masayoshi Son unveiled a plan for 60 percent of Japan's power to come from natural sources by 2030
Japan's largest mobile carrier will sell Samsung Galaxy Tab 10.1 and a new waterproof Fujitsu tablet
Sony's new handheld game will launch in Japan late this year and in the US and Europe early next, a company executive said.
Takeo's mayor stresses the open use of real names, in contrast to mostly anonymous Japanese social sites
The caretaker robot could be on the market by 2015.
