It’s not the governments who censor keywords that worries Ethan Zuckerman, whose job it is to help dissidents around the world.He fears that governments will simply decide to go after the Web 2.0 tools that activists are using to publish.Increasingly dissidents in the Middle East, China and places like Belarus are turning to server-based tools like Facebook, Twitter and LiveJournal — the communication tools at hand — to get their messages out, according to Zuckerman, who works for Global Voices, a group dedicated to spreading online conversation.
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