ARE you aged 12 or younger? Would you like to become a billionaire? The path to riches and fame is a simple one. Just play games all day. Well, sort of. Facebook founder Mark Zuckerberg, one of the world’s youngest billionaires, attributes his self-taught success to gaming.

A Japanese artist on trial for obscenity after making objects modelled on her vagina said there was nothing wrong with her artwork and her arrest showed how far Japan was behind the West in terms of sexual equality.

Authorities hailed Japan’s new earthquake alert system a success today after it allowed officials to issue a tsunami warning just one minute after a magnitude-6.9 quake jolted the country’s coast.