China now has the second largest online population in the world according to SmartMob reporting US-based research firm eTForecasts. Some 20 millon Chinese went on line last year pushing the total to 120 million, second place in the world rankings. The US share slipped to 18% and will continue to slide as the developing nations, in particular China, India, Brazil, Russia and Indonesia, grow rapidly, SmartMobs says. The world internet population has now topeed one billion for the first time.