ThinkPad its 1992 launch to keep the Harvard Business School happy. In April 1992, IBM announced the first ThinkPad tablet computer at a news conference. The first ThinkPad tablet, a PenPoint-based device formally known as the IBM 2521 ThinkPad, was positioned as a developer's release. The ThinkPad tablet became available for purchase by the general public in October of the same year. In addition to giving it an innovative name, IBM marketed the ThinkPad through imaginative activities such as early customer pilot programs, numerous pre-launch announcements, and an extensive loaner program designed to showcase the product's strengths and weaknesses. IBM even
ThinkPad X1 Carbon ThinkPad X1 Carbon The ThinkPad X1 Carbon is a high-end 14-inch notebook computer released by Lenovo in 2012 and updated every year since 2014. The ThinkPad X1 Carbon Touch featured a multitouch enabled screen in order to take more effective advantage of Microsoft's touch-optimized Windows 8, Windows 8.1, and Windows 10 operating systems. In early August 2012, Lenovo released the ThinkPad X1 Carbon as the successor to the earlier ThinkPad X1. The X1 Carbon was first released in China due to the popularity of ThinkPads in that market. In November 2012, Lenovo announced a touch-screen variant called the ThinkPad X1