Nokia Corporation is a Finnish multinational communications and information technology company, founded in 1865. Nokia is headquartered in Espoo, Uusimaa, in the greater Helsinki metropolitan area. The company has had various industries in its 151-year history, originally founded as a pulp mill, and currently focuses on large-scale telecommunications infrastructures, and technology development and licensing. Nokia is also a major contributor to the mobile telephony industry, having assisted in development of the GSM and LTE standards, and was, for a period, the largest vendor of mobile phones in the world. Nokia's dominance also extended into the smartphone industry through its Symbian platform. Its mobile phone business was eventually bought by Microsoft.