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 wasteland of bad writing, uninformed commentary, and the sort of comically dull recitation of the news you'd get from a second grader." Scott Rosenberg criticized Associated Content and other companies for publishing content not aimed at human readers, but for the purpose of influencing search engines, and for actually degrading Google search results. Independent blogger Lenin Nair also criticized the remuneration policies of Associated Content. 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.