Some call them hovercards. https://indieweb.org/hovercard has some research and good examples of these from across the web.
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Chris Aldrich
I'm a biomedical and electrical engineer with interests in information theory, complexity, evolution, genetics, signal processing, IndieWeb, theoretical mathematics, and big history. I'm also a talent manager-producer-publisher in the entertainment industry with expertise in representation, distribution, finance, production, content delivery, and new media. View all posts by Chris Aldrich
Some call them hovercards. https://indieweb.org/hovercard has some research and good examples of these from across the web.
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Perfect, thank you! Just what I was looking for. Seems @SlackHQ, @facebookdesign, @MicrosoftTeams, @TwitterDesign all use them (and others too), but I’m not seeing hovercards in their design systems (from what I can gather, anyway) – limited info on adele.uxpin.com