HTC with Microsoft afterwards due to Nokia's dominance in Windows Phone devices, and started focusing solely on Android. On 1 March 2015, HTC unveiled Vive, a virtual reality head-mounted display in collaboration with Valve Corporation. In June and October 2015, HTC reported net losses; the company has faced increased competition from other smartphone makers, including Apple, Samsung, and others, which had resulted in a decline in its smartphone sales, as well a major loss of market share. Its smartphone market share had risen back to 7.2 percent in April 2015 due to its strong sales of recent devices, but HTC's stock
Time Sharing Operating System Time Sharing Operating System Time Sharing Operating System, or TSOS, is a discontinued operating system for RCA mainframe computers of the Spectra 70 series. TSOS was originally designed in 1968 for the Spectra 70/46, a modified version of the 70/45. TSOS quickly evolved into the Virtual Memory Operating System (VMOS) by 1970. VMOS continued to be supported on the later RCA 3 and RCA 7 computer systems. RCA was in the computer business until 1971 when it sold its computer business to Sperry Corporation. Sperry renamed TSOS to VS/9 and continued to market it into the early 1980s. In the