Android (operating system) store, and by September 2013, one billion Android devices have been activated. , the Google Play store has over 2.7 million Android applications published, and , apps have been downloaded more than 65 billion times. The operating system's success has made it a target for patent litigation as part of the so-called "smartphone wars" between technology companies. Android devices account for more than half of smartphone sales in most markets, including the US, while "only in Japan was Apple on top" (September–November 2013 numbers). At the end of 2013, over 1.5 billion Android smartphones have been sold in the four
GEORGE (operating system) GEORGE (operating system) GEORGE was the name given to a series of operating systems released by International Computers and Tabulators (ICT) in the 1960s, for the ICT 1900 series of computers. These included GEORGE 1, GEORGE 2, GEORGE 3, and GEORGE 4. Initially the 1900 series machines, like the Ferranti-Packard 6000 on which they were based, ran a simple operating system known as "executive" which allowed the system operator to load and run programs from a Teletype Model 33 ASR based system console. In December 1964 ICT set up an Operating Systems Branch to develop a new operating system for