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 Enderle said that the constant thing about ThinkPad is that the "brand stands for quality" and that "they build the best keyboard in the business." The ThinkPad X Tablet-series was PC Magazine Editor's Choice for tablet PCs. The ThinkPad X60s was ranked number one in ultraportable laptops by PC World. It lasted 8 hours and 21 minutes on a single charge with its 8-cell battery. The Lenovo ThinkPad X60s Series is on PC World's Top 100 Products of 2006. The 2005 PC World Reliability and Service survey ranked ThinkPad products ahead of all other brands for reliability. In the 2004