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agreed

Just to explain why I downvoted you, since you're new here: on HN, if you agree with a comment, you should upvote the comment. Writing a comment whose only content is stating agreement is very frowned upon.

He wrote the comment for the same reason that you wrote yours. Comment scores are hidden and the meaning of an upvote is hidden both from the commenter and other users.

With hidden upvotes the only way to show assent is to comment. Actually as a hack for no comment scores I think I could come to appreciate a string of "agreed" comments as a visual indicator.

It's redundant elsewhere, it's not here.

If the pointer is permanently turned on, then yes, totally. I can see it being useful for tutorials, though.

Right — if you're that sure what the next step is, why not take it automatically, or make the entire screen clickable? I guess I miss the "point."