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:
Yahoo! Voices Yahoo! Voices Yahoo! Voices, formerly Associated Content (AC), was a division of Yahoo! that focused on online publishing. Yahoo! Voices distributed a large variety of writing through its website and content partners, including Yahoo! News. In early December 2011, its owners Yahoo! announced a major shakeup involving the introduction of a new service, Yahoo! Voices, which would replace the Associated Content site and take on the bulk of its content, while some 75,000 items would be retired under the new site's more stringent content submission rules. On July 2, 2014, Yahoo! announced that it would be shutting down Yahoo! Voices