Though the four versions have been changed and moreover - each version became bigger in size and slower . The user's work hasn't been facilitated. Instead, it became less convenient due to the additional possibilities. In spite of this, most of us are always trying to use the latest version of MS Word and other software. According to advertising, each new version corrects errors of previous one .
People believe it.
But don't forget that instead of old errors the fresh version brings up the brand new ones. New version often has some attractive possibilities . For example the same background spell checking. The first step of the right approach to the software development includes the defining of the potential user's groups and goals. Microsoft Corporation, as usual, has tried to create some kind of universal software for all users, but any universality would definitely fail , because one cannot satisfy needs of everyone.