and part of the reason for that is people like biz stone, another gentleman nameed jason goldman. and what they had done was they had set up this rule that twitter should always be impartial, it should never be seen as having a side point or a viewpoint in a technology, in the way it's being used. so when twitter was being used in the iranian revolution or it was being used in the occupy to wall street protests, biz stone was one of the people that said we won't comment on this to the immediate ya. we don't -- media. we don't see it as a good thing or bad thing, we just see it as the way media's being used. >> host: mr. bilton, what's the relationship between those four co-founders today? >> guest: today? well, noah glass, you know, after he was pushed out of the company by husband closest -- his closest friends, he kind of fell into depression. these were literally his best friends, you know, jack dorsey and him, they spent, you know, every waking hour together and then he found out he was pushed out of the company by him. and also evan williams too. evan and him were very close,