Smartphone touchscreen device with a slide-out physical keyboard. The first Android device, the HTC Dream, was released in September 2008. Although Android's adoption was relatively slow at first, it started gaining widespread popularity in 2010, and in early 2012 dominated the smartphone market share worldwide, which continues to this day. Android and iPhone devices popularized the smartphone form factor based on a large capacitive touchscreen, and led to the decline of earlier, keyboard- and keypad-focused platforms. Microsoft, for instance, discontinued Windows Mobile and started a new touchscreen-oriented OS from scratch, called Windows Phone. Nokia abandoned Symbian and partnered with Microsoft to
SHARE Operating System the Association for Computing Machinery. In 1962, IBM discontinued support for SOS and announced an entirely new (and incompatible) operating system IBM 7090/94 IBSYS. SHARE Operating System The SHARE Operating System (SOS) was created in 1959 as an improvement on the General Motors GM-NAA I/O operating system, the first operating system, by the SHARE user group. The main target was to improve the sharing of programs over GM-NAA I/O. SHARE Operating System provided new methods to manage buffers and input/output devices, and, like GM-NAA I/O, allowed execution of programs written in assembly language. Initially, it worked on IBM 709 computer