Google Developers their AdWords accounts and campaigns. Google App Engine lets developers run web applications on Google's infrastructure. Google App Engine supports apps written in several programming languages. With App Engine's Java runtime environment, one can build their app using standard Java technologies, including the JVM, Java servlets, and the Java programming language—or any other language using a JVM-based interpreter or compiler, such as JavaScript or Ruby. App Engine also features a dedicated Python runtime environment, which includes a fast Python interpreter and the Python standard library. Google Plugin for Eclipse (GPE) is a set of software development tools that enables Java
Yahoo! January 2014 after Mayer, who initially hired him after her appointment as CEO, dismissed him. De Castro, who previously worked for Google and McKinsey & Company, was employed to revive Yahoo's advertising business. Yahoo offers a multi-lingual interface. The site is available in over 20 languages. The official directory for all of the Yahoo International sites is "world.yahoo.com". The company's international sites are wholly owned by Yahoo, with the exception of its Japan and China sites. Yahoo holds a 34.75% minority stake in Yahoo! Japan, while SoftBank holds 35.45%, Yahoo!Xtra in New Zealand, which Yahoo!7 have 51% of and 49%