Preview cards now show when you hover over a link ohhh yeeehh (and yes, I use Wikipedia’s mobile skin for my desktop browsing). Text from the Wikipedia articles on icebergs and water, CC BY-SA 3.0. Images left to right, top to bottom: #1 by Kim Hansen, CC BY-SA 3.0; #2 by Andreas Weith, CC BY-SA 4.0; #3 via the National Library of New Zealand, CC0.On the surface it looks quite simple. It’s something many websites have already. It has an image and some text and shows when you hover over a link. H...