May 25th today is Microsoft in China is an important moment history: Microsoft Asia Pacific r&d group (ARD) headquarters building opens, twin towers today in zhongguancun square, the last three years, $28 billion RMB 15 million square meters, can accommodate 5000 employees. At present already check-in 3,000 scientists and engineers. ARD outside the U.S. already is Microsoft biggest full of functions r&d bases.