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:
History of Yahoo! credentials and the vetting process that preceded his selection as CEO. The review committee's chairman is Alfred Amoroso, who joined Yahoo!'s board in February 2012. The other directors on the panel are John Hayes and Thomas McInerney, who both joined in April 2012. The committee retained Terry Bird as independent counsel. On May 13, 2012, Scott Thompson was replaced by Ross Levinsohn as the company's interim CEO. In June 2012, Yahoo! hired former Google director, Michael G. Barrett as its Chief Revenue Officer. On July 16, 2012, former Google executive and Walmart corporate director Marissa Mayer was named as Yahoo!