The BlackBerry Classic, originally known as the BlackBerry Q20, is a touchscreen-based smartphone with a physical QWERTY keyboard developed by BlackBerry, previously known as RIM (Research In Motion). The BlackBerry Classic was unveiled in December 17, 2014 and it runs BlackBerry 10 operating system. Its design is similar to the BlackBerry Q10 in form and feel and especially to the BlackBerry Bold 9900 and related lines in that they feature an optical trackpad which can compliment or be used as primary means of navigation instead of or with the device's touch-screen.