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 Tablet its side it has a full size USB port. According to Lenovo, eight major security vulnerabilities typical for tablet devices have been addressed in the ThinkPad Tablet. These are: According to Matt Kohut, the ThinkPad Tablet is the industry's first business-class Tablet because Lenovo is "the only vendor who can provide a full suite of services to make our customers more productive and secure." He substantiated this by discussing the warranty on the ThinkPad Tablet, ThinkPad Protection, custom 'images' and asset tags. The warranty on the ThinkPad Tablet was a standard one year which could be upgraded to three years.