IBM produces and sells computer hardware such as mainframe-class servers and the LinuxONE system, middleware including WebSphere Application Server and MQ messaging, and software like IBM Cognos Analytics and SPSS. Its Watson platform powers AI applications in finance, healthcare, and customer service. The company provides IT services and consulting through units including Global Business Services and Global Technology Services, serving major global corporations and government entities. IBM operates research facilities in dozens of countries and maintains a presence in over 175 countries. It has acquired companies including Maximo in 2006, Cognos and SPSS in 2009, and Bluewolf, a Salesforce partner.