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Thanks! There's that cleared up, then.

Nice to know, I sometimes get lost in the past and upvote posts of people, just because I like them.
Thank you for asking :)

Good to know.

So it just displays a a vote on steemit but doesn't really count as a real vote? Does this cost resource credits?

Yes it is counted as a vote, but with 0 weight and no way to effect payout. You can test resource credits by loading this page before and after voting on a post or comment that is 8+ days old: https://steemd.com/@niel96