SoftBank is a Japanese telecommunications and media company founded by Masayoshi Son in 1981 and headquartered in Tokyo, Japan. SoftBank's businesses include broadband, fixed-line, e-commerce, VoIP, Internet services, finance, and holding. Softbank is committed to investing in the IT industry and owns shares in more than 300 IT companies worldwide, including Alibaba, Thousand Oaks and Shanda. In the 2013 World Top 500 ranking, SoftBank ranked 257th.