One of the prime hairball untanglers is Jim Welsh, a vice president responsible for manufacturing and working with suppliers.

WSJ: 3M Begins Untangling Its 'Hairballs'

Can you imagine if John McCain had coughed up a hairball like that?

FORBES: Obama Discovers America

But amidst the "craving a chocolate bar" or "watching my cat throw up a hairball" tweets, there is a serious reflection of historical context -- a real-time timeline written by regular people.

CNN: Who said tweets are trivial?