When Mayer arrived at Yahoo she was tasked with reviving a company that had already begun to lose its footing in the digital landscape. Fresh from her successful stint at Google where she had been one of the first employees, and risen to become a key executive, Mayer seemed like the perfect candidate to breathe new life into Yahoo. However she learnt a lesson every tech company must know.
What went wrong was greed. They should have sold to Microsoft when it was offering them a ridiculous amount of money for a business that was already on the decline.
A few years later they sold themselves for about $5 Billion, which was only around 10%-11% of Microsofts final offer.