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! The Wall Street Journal reported that Yahoo plans to mimic this strategy used by rival Facebook Inc. to help drive traffic to its site. Yahoo has invested resources to increase and improve access to the Internet for the disabled community through the Yahoo Accessibility Lab. Yahoo Axis is a desktop web browser extension and mobile browser for iOS devices created and developed by Yahoo. The browser made its public debut on May 23, 2012. A copy of the private key used to sign official Yahoo browser extensions for Google Chrome was accidentally leaked in the first public release of the