Leaves a trail from the previously focused element.
Focus Snail Extension
Another UI experiment: https://chrome.google.com/webstore/detail/koojelgeljpacclbmiflpcohjkbklplk
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Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx",\t"manifest_version": 2,\t"name": "Focus Snail",\t"version": "1.0.1",\t"description": "Leaves a trail from the previously focused element.",\t"content_scripts": [\t\t{\t\t\t"js": ["focus-snail.js"],\t\t\t"css": ["focus-snail.css"],\t\t\t"matches": [\t\t\t\t"" \t\t\t]\t\t}\t],\t"icons": {\t\t"48": "icon_48.png",\t\t"128": "icon_128.png"\t},\t"author": "Nikita Vasilyev",\t"homepage_url": "http://n12v.com/focus-transition-2/"}
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