Marissa Mayer's First Day as Yahoo CEO

1:15 PM ET Tue, 17 July 2012

Yahoo's new CEO Marissa Mayer starts today, reports CNBC's Jon Fortt. Kara Swisher, All Things Digital, discusses why this move is a smart move for Mayer. "For Yahoo, they get a big name, with a lot of computer science and technology skills," says Swisher.