Search isn't Mayer's fault is it? Microsoft and Yahoo made their 10 year deal before her tenure. She mentioned a few purchases in the list. Not mentioning most

Search isn't Mayer's fault is it? Microsoft and Yahoo made their 10 year deal before her tenure. She mentioned a few purchases in the list. Not mentioning most did nothing and Tumblr specifically cost $1B and has had the majority of it written off by Yahoo. But the purchase of Brightroll and possibly Flurry were good ones.