Great insight on the issue of binding participation, though certainly free speech and online debate over the issues and upcoming candidates are quite binding in their own way, particularly as they results in garnering campaign contributions and swaying votes.
I would also observe that voting and your ballot initiatives (including the polling mechanism you mention in point c) need to be able to take place online as well. It's not until citizens can use the Web as an equally valid and even preferred channel for their participation will Government 2.0 really take place.
Best,
Dion Hinchcliffe
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