1. Locate a folder that contains a lot of subfolders in ME, open a folder that in the middle of the window, then go back to it's parent folder, then the window is scrolled and the folder droped to the bottom of the window.
2. Locate a folder that contains a lot of subfolders in ME, open a folder, click any file or folder in it, go back to it's parent folder, then shift+click another folder under the previous one. Normally, all the folders between the previous one and the folder you click will be selected, but now you can see how many folders are selected in the gif.