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    I’d suggest linking to the original PDF instead:

    http://leixu.org/Xu_Platform_Competition.pdf

    Current link links to another link links to the final paper. Might as well skip the trail.

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      Does GitHub really belong grouped with Stack Overflow and Yahoo Answers? I know several people, including myself, who use GitHub to host code and projects, but have no interest in the “community” aspects of it. In fact, I actively avoid those parts because it’s too much like Reddit.

      Even when I submit pull requests to other projects, it’s much more about fixing a problem I encountered using a library than it is about altruism or easing a future job search.