Marissa Mayer and the fight to save Yahoo!

When Yahoo hired Google executive Mayer to be its CEO in 2012 employees rejoiced. They put posters on the walls throughout Yahoo's California headquarters. On them there was Mayer's face and one word: HOPE. But one year later, Mayer sat in front of those same employees in a huge cafeteria on Yahoo's campus and took the beating of her life. This is the inside story of how Yahoo got into such awful shape in the first place, Mayer's controversial rise at Google, and her desperate fight to save an internet icon.