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:
History of Yahoo! 20 event. The media reported on Yahoo!'s interest in the video streaming site Hulu on May 26, 2013. Under Mayer's leadership, Yahoo!'s bid is worth between US$600 and $800 million, as a variety of options that consist of different circumstances were put forward by the company. As of May 28, 2013, Yahoo!'s videos attract 45 million unique visitors a month, while Hulu has 24 million visitors—the combination of the two audiences can place Yahoo! in the second-most popular position after Google and its subsidiary YouTube. On August 2, 2013 Yahoo Inc announced the acquisition of social web browser concern RockMelt.