Everyone who votes the post up is a curator. The greater percentage increase in total votes your vote adds, the larger the share of the curator rewards you get.
Well, technically the first person to upvote is a curator ... and more importantly the first to upvote is the most important curator, especially when it comes to making STEEM. ;)
Not according to what @dantheman posted above.
Well, technically the first person to upvote is a curator ... and more importantly the first to upvote is the most important curator, especially when it comes to making STEEM. ;)