Firefox's New 'Mini Window' Feature Is a Game Changer for Productivity
· lifehacker.com · popularity 21/100 · 0 similar stories today

Read the original at lifehacker.com →
Summary
Mini Window is like picture-in-picture for anything.
Found in: Lifehacker. Rating basis: single outlet; outlet tier 2 (unlisted); 1 feeds; feed position 1.