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For decades, the tablet computer was like a mirage in the technology industry: a great idea, seemingly reachable on the horizon, that disappointed as hopeful companies got closer. Microsoft has experienced this cycle of hope and disappointment many times.
The device unveiled by the Redmond Wash.-based software giant on Monday —the Surface— isn't the first tablet it envisioned. Indeed, the company's engineers have been trying to reshape personal computing for as long as there's been a PC.
The first PCs had keyboards, borrowed from the typewriter with battery like Toshiba PA3729U-1BRS Battery , Toshiba PA3730U-1BRS Battery , Toshiba Satellite P505 Battery , Toshiba PA3640U-1BAS Battery , Toshiba PA3640U-1BRS Battery , Toshiba Qosmio F55 Battery , Toshiba PA3536U-1BRS Battery , Toshiba PA3537U-1BRS Battery , Toshiba Satellite P205 Battery , Toshiba PA3589U-1BRS Battery , Toshiba PA3609U-1BRS Battery , Toshiba Qosmio F45 Battery . But people quickly started wondering whether pens, which are more comfortable writing tools, wouldn't be a better basis for personal computing.
Several companies worked pen-based computing in the late 1980s, and Microsoft jumped on the trend. By 1991, it released "Windows for Pen Computing," an add-on to Windows 3.1 that let the operating system accept input from an active "pen" (really a stylus). Several devices used Microsoft's software, and are recognizable as the ancestors of today's tablets: They were square, portable slabs with a screen on one side. They weren't designed to respond to finger-touches, however: the reigning paradigm was that of the notepad and pen.
The pen-computing fad mostly passed. While PenWindows tablets got a lot of attention, mainstream computing remained stubbornly keyboard-based.
In 2002, Microsoft founder Bill Gates said these early tablet ventures were "almost painful to recall," but not to worry. He had something much better, a device that would fulfill "a dream that I and others have had for years and years," he said. It was Windows for XP Tablet PC Edition. This time, hardware makers like Hewlett-Packard Co., Samsung Electronics, Toshiba Corp. and Acer Group played along, producing tablet PCs.
Like the earlier generation, some of these looked like today's tablets, but inside, they were really PCs. Compared to an iPad, they were expensive — at around $1,500 — heavy, and didn't last long on battery power. Buyers paid a lot for the ability to enter things on the screen with a pen.
Another problem was that the pen-based adaptations were skin-deep. Windows remained a thoroughly keyboard-and-mouse-based operating system, and many functions were simply hard to get to with a pen. Third-party applications weren't converted for pen use at all. As a backup, many of these tablets had keyboards, just like laptops.
The tablet PCs found homes in a few business settings, where a PC that could be used while standing, at least for short periods, was welcome. But they remained a niche product, and the number of manufacturers who made tablet PCs steadily shrank.