Quibble and question.
"Want to split the screen in Modern UI? Pull down from the top, then move to the left or the right UNTIL the minimized image of your current app becomes outlined, then release, ..."
That's the same behavior as 'Snap' in W7; nothing new.
What's the difference between swiping and flicking? The link JJ posted with gesture videos didn't make that clear to me. Is there a mouse equivalent to flicking?