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:
Dragonfly (search engine) not want them to see. In January 2010, Google fell victim to Operation Aurora, a sophisticated series of cyberattacks carried out by Chinese hackers who targeted a number of major U.S. corporations, including Yahoo, Adobe, Dow Chemical, and Morgan Stanley. The hackers stole Google source code and gained access to the Gmail accounts of several prominent Chinese human rights activists who were living abroad. In response to both the attack and what then-Google-CEO Sergey Brin called a "broader pattern" of China's surveillance of human rights activists, Google discontinued Google.cn and began rerouting Chinese users to Google.hk, an uncensored (at least