Yahoo! Japan is reported to have acquired Cirius Technologies, a location-based mobile advertising company, for an unspecified sum. TechCrunch reported that Cirius’ flagship product is AdLocal, which enables the delivery of targeted advertising based on a user’s location, and the acquisition will also see Yahoo! Japan gaining the 30 staff who developed the product. Yahoo! Japan’s largest shareholder is SoftBank, which also owns SoftBank Mobile.