Okay, so turn into an incubator. Divest all of your groups except Adwords, and create a holding company for your cash for investing in startups.
The only way for Google to innovate now is through acquisitions and acquihires.
The only way for Google to innovate now is through acquisitions and acquihires.
Also, it's perfectly acceptable to enter new markets through acquisitions and apply Google's innovations there. That is a form of innovation in my opinion.