What Makes Linux Compelling to Use?

This question popped into my head today while I was reading my Linux based RSS feeds and URLs from Digg and Reddit. Almost all Linux based articles that try to "sell" Linux do so by comparing Linux to some other operating system. Not one of these articles I have seen recently attempts to market Linux on its own merits. In some cases, such as politics, comparing yourself to the other guy will work. In other cases, again thinking politics, such comparisons may well blow up in your face.

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