Randall C. Kennedy at InfoWorld in a recent blog post compares Windows 7 to its predecessors, XP and Vista, and reveals what is Windows 7’s real killer feature. In his words, it is not because Windows 7 fixes Vista's issues,  or Windows 7 has a new user interface, or Windows 7 is somewhat lighter than Vista. It is because Windows 7 has better scalability. Click here to find out his explanation in more detail.

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