ThinkPad For his innovative design management leadership during ThinkPad development, Hardy was named "innovator of the Year 1992" by PC Magazine. Since 1992, the ThinkPad design has been regularly updated, developed and refined over the years by Sapper and the respective teams at IBM and later Lenovo, which included Yamazaki, Tom Takahashi, Sam Lucente and, since 1995, David Hill, Vice President of User Experience & Design, who leads and manages the design/user experience of ThinkPad. Hill's approach to maintaining the evolution of Sapper's original ThinkPad design is analogous to how Porsche manages evolution of the classic 911. The fold-out butterfly keyboard,
ThinkPad W series are: The Lenovo W541 is essentially a ThinkPad W540 that featured the new-style keyboard but with a re-introduction of the classic ThinkPad trackpad design. The prior ThinkPad trackpad design featured in the W540 was abandoned. Rather than being a successor of any previous W-series model, the Lenovo W550s is a thinner Ultrabook variant of the W series. While a capable Ultrabook, when compared to the W541 and its predecessors, it offers less capability with only dual-core hyper-threaded Intel Broadwell Processors vs. the true quad-core processors of other models and has only two RAM slots. The ThinkPad W series was replaced