One of the new features in OS X Yosemite is a re-working of the full-screen window feature where in programs that support this option, the green zoom window button now defaults to being a toggle for full-screen. This can be seen in programs like Pages, and Preview; however, this can be a bit confusing because in those like TextEdit where a fullscreen option is not available, the green button is the classic “Zoom” behavior that resizes a window to fit its contents. Continue reading ⇒