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Your in luck! There is a steemit service called @dpoll where you can post polls on steemit for people to take ;)

Will it get me all the replies or only in accordance with
my following? I'm trying to have as pure a poll as I can.
With neutral language and broad audience, etc.. etc...

I honestly dont know much about it, but i think it will post to your profile along with on the dpoll dapp (which is a steemit clone) so anyone who goes on that site will have the option to see it and vote on it as well... Although I dont know how popular the dapp is on a daily basis..