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Kafke · 3822 days ago · link · · parent · post: As a new user, how can I add value to this community?
Yes. Clicking the wheel essentially says "I like this and want others to see it." So when you click it for a submission/link, it "curates" that into a feed for the people following you. For comments, it makes that particular comment show up higher in the list. Similar to an up-vote on reddit.