"I would not have noticed this but Radu Oncescu posted about it on X and wrote, "Google has launched a new behaviour for Google AI Overviews results in which sources of unread paragraphs are marked with a light blue color and sources for read paragraphs are marked with a grey color." I am able to replicate this, here is what it looks like side-by-side:"
"Did you know that the Google AI Overviews link citation paperclip icons are blue before you click to see more of the overviews and then after you click on them, that icon turns to a gray color. Here is his video of this in action: More context.@rustybrick pic.twitter.com/OBeHP5s35v- Radu Oncescu (@oncescuradu) February 15, 2026"
Google AI Overviews uses paperclip link-citation icons that display blue when the linked source corresponds to unread overview paragraphs and switch to gray after those paragraphs have been read. A user reproduced the behavior and provided a side-by-side visual demonstrating the color change. A post on X by Radu Oncescu explicitly described the blue for unread and grey for read paragraph sources. A short video clip and screenshot were shared showing the interaction in action. The observation was timestamped February 15, 2026 and appears in a forum discussion on X for broader visibility.
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