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UPDATE
A wiki page has been set up to help support the idea of a weblog conference in mtl, international or not, blogtalk or not. Might you be interested in the topic, you can see it evolving at the following url:
* Montreal social softwarer conference
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As Heiko pointed, there wont be a Blogtalk 3.0.
Thomas Burg announced that there will be no European BlogTalk 3.0 and is looking for help on organizing a broader international weblog conference.
I am quite interested in having such a thing around. What about montreal?
Follow the thread here.