Google data centers in late 2013 and began selling off the barges in 2014. Most of the software stack that Google uses on their servers was developed in-house. According to a well-known Google employee, C++, Java, Python and (more recently) Go are favored over other programming languages. For example, the back end of Gmail is written in Java and the back end of Google Search is written in C++. Google has acknowledged that Python has played an important role from the beginning, and that it continues to do so as the system grows and evolves. The software that runs the Google infrastructure includes:
Google with Yahoo!, which would have allowed Yahoo! to feature Google advertisements on its web pages. The alliance between the two companies was never completely realized because of antitrust concerns by the U.S. Department of Justice. As a result, Google pulled out of the deal in November 2008. In July 2016, Google started rejecting all flash-based adverts replacing them by HTML5. Google's plan was to go “100% HTML5” beginning on January 2, 2017. According to comScore market research from November 2009, Google Search is the dominant search engine in the United States market, with a market share of 65.6%. Google indexes