Pros: Free food and good perks

Cons: It was sold to Verizon, lol.

Pros: Free food, good work-life balance.

Cons: I believe there is a quota to meet for manager people, regardless of their performance. I was the only engineer working on a cross-company project with Yahoo Japan and was let go without notice to my manager, as well as the business director on the Japan side. My manager was shocked to hear the news from me rather than someone higher. Also, someone was let go on Friday and re-hired by the manager on the next Monday. (Some VP from another team laid off the guy, and his manager tried hard to bring him back. I know it's a mess.)

Pros: Very smart, talented, and capable employees. Opportunity to learn how to be effective despite a not-so-perfect organization. Laid-back atmosphere with plenty of resources. Good work-life balance if you join the right group. Some great managers to learn from and be mentored under.

Cons: Terrible, arrogant, and incompetent management. Great managers get demoralized and defeated by the pattern of bad management at Yahoo and leave. Lower-level employees also become disillusioned by either seeing their work go in vain or a lack of direction from senior management. Mediocre morale and a constant feeling of being 'second-rate'. Vague and meaningless mission statement that evokes more confusion than anything else.