If one thing is clear after Bill Gates' recent engagements in China, it is the Microsoft founder and philanthropist's belief in the importance of innovation in improving society. Gates, also co-chair of the Bill & Melinda Gates Foundation, delivered a speech themed "investment for the poor" at the Boao Forum for Asia held in south China's Hainan Province from Saturday to Monday. During the address, he stressed that technological breakthroughs, such as in human health and agricultural productivity, could help change the lives of people living in poverty. "I think innov