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! that in 2008 it would instead establish a "universal profile" similar to the Yahoo Mash experimental system. Yahoo partners with numerous content providers in products such as Yahoo Sports, Yahoo Finance, Yahoo Music, Yahoo Movies, Yahoo Weather, Yahoo News, Yahoo! Answers and Yahoo Games to provide news and related content. Yahoo provides a personalization service, My Yahoo, which enables users to combine their favorite Yahoo features, content feeds and information onto a single page. On March 31, 2008, Yahoo launched Shine, a site tailored for women seeking online information and advice between the ages of 25 and 54. Yahoo developed