Amazing feat – I’ve been posting about this here Two climbers close to completing the El Capitan free climb and here Amazing stuff: Free climbing Yosemite cliff – El Capitan .
I’m still waiting for the answer to how you deal with bathroom issues up on the wall?
As to how you deal with bathroom issues up on the wall: well, I guess it all DEPENDS !!!
See here >>> http://en.wikipedia.org/wiki/Depend_(undergarment)