The big search engines are spending money like crazy these days. From the many new multi-billion dollar acquisitions taking place over the past several months, to the second $600 Million data centers under construction by Google.

Microsoft is also expanding further with a 6000 employee research and development center currently under way in Shanghai according to Forbes.

The new center will be located southwest of Shanghai in Zizhu Industrial Park expected to open later this year. This will be the largest of Microsoft’s R&D facilities. The focus of this center will evolve around server, data management, and Windows Live services.

Back in January of this year Microsoft also announced the construction of a $550 million data center in San Antonio TX expected to open late 2008, early 2009.