Reduce Dock Clutter in OS X by Minimizing Windows Into Their App Icons
If you minimize a lot of app windows while using a Mac you’ve probably noticed that the right side of the Dock in OS X quickly becomes cluttered with tons and tons of those minimized window thumbnails, and as they build up the size of the visible Dock slowly starts to shrink and adjust the size to accommodate them. Other than being cluttered, the reduced size becomes so small the thumbnails are largely useless anyway. Here are the minimized window previews we’re talking about, sitting alongside the Trash in the OS X Dock: