Yahoo Japan Corporation is a Japan-based provider of Internet search services. The Company operates in two business segments. The marketing solution business segment is engaged in the planning and sale of advertisement products, including promotion advertisement (keyword targeted advertisement, Yahoo! Display Ad Network), and premium advertisement (banner, text, mail and video advertisement); the provision of information publishing services, and the provision of other services for corporates, such as data center related service. The consumer business segment provides commerce related services, such as auction, shopping and paid digital contents, as well as membership services, such as Yahoo! Premium and Yahoo! BB.