Yes, but it works for mobs. You can even ride away, so that the mob disappears because it's 200 yards away (or whatever that range is) and the focus unitframe will disappear, too. When you return and the mob comes back into your view range, the focus unitframe will reappear. It's awesome. :P
omg, something that can be used for managing our Crow Controls targets too ?
sounds really cool for my druid and my mage with some fights