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 Account Google Account A Google Account is a user account that is required for access, authentication and authorization to certain online Google services, including Gmail, Google+, Google Hangouts and Blogger. A wide variety of Google products do not require an account, including Google Search, YouTube, Google Books, Google Finance and Google Maps. However, an account is needed for uploading videos to YouTube and for making edits in Google Maps. After a Google Account is created, the owner may selectively enable or disable various Google applications. YouTube and Blogger maintain separate accounts for users who registered with the services before the Google