I was going to do a summary of Donnie's presentation on this post, but David Weinberger had liveblogged the event here, and also had an illuminating chat with Donnie after the talk. So I shamelessly reproduce and adapt some key points that struck me about the presentation:
(UPDATE: 4/7/10: Donnie clarifies that he is not advocating for an isolated 'Chinese internet' but that rather, "What I want to argue is simple: the social structure and social norms, as well as the legal concepts may affect online ecology profoundly, hence the "single" Internet is not a truth..." Read more at his Blawgdog post.
Official Event Announcement:
Cyber-pluralism: Can We Get Along with Each Other in a “Splitting” Internet?