ThinkPad were introduced in 2011. ThinkPad ThinkPad is a line of laptop computers and tablets designed, developed, and sold by Lenovo, and formerly IBM. ThinkPads are known for their minimalist, black, and boxy design which was initially modeled in 1990 by industrial designer Richard Sapper, based on the concept of a traditional Japanese "Bento" lunchbox revealing its nature only after being opened. According to later interviews with Sapper, he also characterized the simple ThinkPad form to be as elementary as a simple, black cigar box, and with similar proportions that offers a 'surprise' when opened. The line was first developed at
ThinkPad the Twist will still appeal to Lenovo loyalists, folks who trust ThinkPad's build quality and wouldn't be caught dead using any other keyboard. If you're more brand-agnostic, though, there are other Windows 8 convertibles with comfortable keyboards – not to mention, sharper screens, faster performance and longer battery life." Lenovo released the 25th anniversary Retro ThinkPad 25 in October, 2017. The design is different from any other recent ThinkPad, because it has the classic keyboard with a 7-row layout that many of the older ThinkPads had, and the logo has changed in colors. The last ThinkPad models with 7-row keyboard