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! led to the page and some additional smart links (provided by customers as feeds) below the actual url. In 2004, in response to Google's release of Gmail, Yahoo! upgraded the storage of all free Yahoo! Mail accounts from 4 MB to 1 GB, and all Yahoo! Mail Plus accounts to 2 GB. On July 9, 2004, Yahoo! acquired e-mail provider Oddpost to add an Ajax interface to Yahoo! Mail Beta. Google also released Google Talk, a voice over IP and instant messaging service, on August 24, 2005. On October 13, 2005, Yahoo! and Microsoft announced that Yahoo! Messenger and MSN