The iOS dock has not changed a great deal in its time. In fact, even in the days when Apple's mobile firmware was known as iPhone OS, the dock was the same, passive ensemble of icons it remains today, but thanks to the jailbreak scene, this needn't be the case anymore. Joining the large number of dock-based apps and tweaks comes ActiveDock, which makes your iOS dock look as though it has come straight from OS X; and boy, does it do a great job.
