What people need to realize is that if you build a business that depends strongly on Google's platform you are facing the same risk as any business that is buil

What people need to realize is that if you build a business that depends strongly on Google's platform you are facing the same risk as any business that is built atop another platform (facebook, ios, etc.). You are subject to the whims of the company you are using. At most you should only do it if (1) you are trying to flip to said company, or (2) you use it as part of an interim strategy and will eventually lower to proportion of that platform's importance to your profit.