Weight is relativeThe Osborne 1 is generally recognized as the world's first self-contained portable computer. But it is only portable in the sense that it can be moved -- the concepts of laptops and notebooks was still years away in 1981. You can get the full back story for the Osborne 1 at oldcomputers.net.
Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to BreakingModern.com, aNewDomain.net, and TechRepublic.