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One of the knocks against Facebook is that it is a somewhat closed, proprietary platform. Here’s how the argument goes: The ultimate technology platform, in contrast, is the Web itself. It is open and ultimately will triumph over all other platforms, including Facebook. Any innovations that take hold in closed environments are quickly replicated on the open Web. At some point network effects take over, and the utility of those innovations on the Web supercede those on the original platform.

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