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 Helix just that, a tablet jammed into a keyboard stand. Not the Helix, all put together, it looks very much like one piece of equipment. As just a tablet, it's a great size and weight, making it easy to hold." However, by the time of its release, that opinion had soured somewhat: "When we first saw the Lenovo ThinkPad Helix at CES 2013, it had us really excited. We thought Lenovo had finally cracked the convertible ultrabook, a design we've never been totally sold on. But that was months ago, in a pre-Haswell, 12-hour MacBook Air world. The ThinkPad Helix is