Now that we have yet another forum, maybe we should delineate what should go here, vs. what should go on StackOverflow (vs. what should go on Quora).
StackOverflow is manic about abiding by their strict rules. We’ve often had perfectly good Meteor questions closed, or even deleted. They also close/delete anything that isn’t strictly “on-topic”, and I’ve had to wage wars to resurrect valuable content. My take:
If your question could be construed as subjective, or asks for recommendations (“Which package/technique is best for X”), post here in this forum.
StackOverflow is good at getting technical questions looked at by many people who are incentivized by the reputation system.
I would suggest asking precise technical questions about Meteor on StackOverflow.
That also increases the visibility of Meteor on SO (right now the [meteor] tag has almost 10,000 questions), and serves as a popularity metric in the inevitable comparison with other frameworks.
Quora: Assuming this forum will work well (to me Discourse looks a bit… alien and cookie-cutter since there aren’t really any good themes, but the functionality is solid), Quora remains relatively left out. I would recommend not asking questions there, but answering them and pointing to SO or here for more information. The types of questions I’ve seen on Quora are most speculative: “How good is Meteor at X”, “What is so cool about Meteor”, “When will Meteor do X”.