Yahoo CEO Marissa Mayer stepped into a difficult situation when she first joined the company in 2012.
The company was already in decline and it wasn't clear how it wanted to revitalize the business. A number of CEOs had damaged their reputations trying to save Yahoo before her. The company's been stuck in perennial drama and dysfunction over the past decade.
Four years in, and Mayer's quest to save Yahoo is still far from over. But it may be nearing the end as activist investors have joined the Yahoo's board, hastening the prospect of the company being sold.
In any case, there's a lot to be learned from Mayer's struggles to turnaround Yahoo. Here are a few lessons, according to a Quora thread discussing this topic: