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Yeah, but if I have a period of time again where I blog more frequently, I don't want to look like I am circle boosting myself with my and your power.

The change from n² to n is actually great to promote conversations in the comments. If I have an engaging and long debate with someone I tend to upvote one of the replies.

Upvoting comments was kind of wasteful before, because of the n².

Interesting, if it does help promote discussions in comments, that's a good thing.