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Yes, when you are doing a thread you are making a Hive comment and it can be upvoted to earn #Hive and #LEO.

Yes depending upon the voting power of the individual casting the vote. And since most arent upvoting #threads at a large amount, it has to be enough to be about the dust level.

Threads are just comments according to #hive.

So perhaps what we need to do is focus on keeping an eye out for threads with some upvotes and upvote them a bit further to get them past dust level.

Or all buy enough Leo that our votes are worth at least a couple of cents ;)

are dust votes a thing still? i am not sure why i thought they were removed in one of the HFs

Sure, you got some just now!

Yes. You need the votes though.