Now I know how some of you felt about seeing Gravity. I couldn't make it through this video in one sitting, knowing that this was the real perspective of somebody falling out of the sky - even though - SPOILER! - I know he lives.
If you don't believe it's heart-stopping, go to about the 1:10 mark and look at Felix Baumgartner's vitals; for a second, they got to zero.
I thought Red Bull was supposed to give him wings?