You can add a Recent Applications stack to the Dock. To do so, open Terminal and type this command:defaults write com.apple.dock persistent-others -array-add '{ "tile-data" = { "list-type" = 1; }; "tile-type" = "recents-tile"; }'After that, type killall Dock to restart the Dock and see your new folder. The only thing is that I haven't found a way to have it show as a fan, it only shows in tile view. But it is already a nice trick.[robg adds: Once the stack is created, control-click on it to reveal a contextual menu that lets you pick between recent applications, documents, servers, volumes, and items. Note that I've edited this hint to reflect...
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