Mary Catherine is CNBC's San Francisco bureau chief. Prior to that, she was director of social media at CNBC, where she managed the business network's team of social media editors.
Twitter: @mcwellons Google+ : +MC Wellons
A San Francisco start-up is trying to redefine mass transit in the city with hip new luxury buses.
This year, CNBC teamed up with Facebook to bring together some of the smartest minds at Davos to answer your questions.
The Fed ended its quantitative easing program on Wednesday, and if there's any humor in such a thing, the world of 'Finance Twitter' found it.
What will social media look like in 2039? Experts say by then it will be integrated into wearables that will track our daily habits.
When the next Apple iPhone will debut and what features it will have remain a mystery, but for some iPhone customers, that's merely a technicality.
Closer inspection surely would have tipped Taleb off that he was being goaded by a parody account.
The "50 Shades of Grey" trailer is here, and it's getting mixed reviews, but there's one clear winner so far: Beyoncé.
The behind-the-scenes action at #DeliveringAlpha, as reported by the CNBC social media team.
After avoiding photographers at a media conference all week, Yahoo CEO Mariss Mayer was spotted with a drinking buddy: AOL CEO Tim Armstrong.