After the failure of Internet Appliances plates, as such, and finally seemed to be forever a thing of the corporate sector. Nevertheless, it is necessary to trace all the evolutionary changes that have taken place with the tablets in the 2000s, before the iPad, even then, to understand what kind of atmosphere appeared the famous tablet computer from Cupertino. In 2002 at the initiative of all the Microsoft Tablet were divided into two categories. Representatives of the first category, called the Tablet PC , and were, in fact, laptops with touch screen and touch-enabled features on the OS level (as a system on the Tablet PC used a special version of Windows XP, Tablet PC Edition; Project Windows for Pen Computing was also closed). Tablet PC can be as clean bezklaviaturnymi tablets and notebooks Transformers (convertible), a pair of hand movements is transformed from a seemingly ordinary laptops into tablets. "Pills" (a slang name stuck for the Tablet PC in the Russian-speaking environment aytishnoy) cost from $ 1,000 to $ 2,000. Approximately the same way, and the cost UMPC - the ideological descendants of the Tablet PC, introduced in 2007. In fact, UMPC differ from the "pill" only smaller in size - ignorant people could easily take a UMPC PDA with a huge screen - but the operating system - Windows Vista. This system, incidentally, was the first to shut down properly and not so commenced podlineyku Systems Tablet PC Edition - starting with this version of "windows", tablet features are included in Windows by default. (More on UMPC and why they disappeared from the market even before the iPad, you can read in the final paper of this series "History Notebook".) Another category of tablets, Web tablets , was a "wiser" descendants of Internet Appliances; have their often referred to as "overgrown PDA." Reasons for this were: the processor architecture of ARM, the operating system Windows CE, and also not very high price - around $ 600 - $ 700 (and some models like Hoft & Wessel Yello.pad, it was possible to buy even at $ 300). Web tablets could become quite popular, if not ... And then we just come close to understanding why the iPad has conquered the world.