I'm pretty sure Apple is focusing on creating visual metaphors which have a more complete real-world comparisons. There is no real-world comparison for a 'scro

I'm pretty sure Apple is focusing on creating visual metaphors which have a more complete real-world comparisons. There is no real-world comparison for a 'scroll bar'. The newer UI systems are imitating paper more accurate: stacks, page turns and scrolling -- the scrollbar has less of a place in that visual metaphor.