1. Research teams at Google are unlike most other companies. You're expected to write code and deliver results. 2. It's not inability to measure Area 120'ers.

1. Research teams at Google are unlike most other companies. You're expected to write code and deliver results. 2. It's not inability to measure Area 120'ers. Not putting participants through perf is ostensibly because they want to give a true entrepreneury environment where you are only measured by your product's success. Traditional performance review is...more complicated, to say the least.