Now, you may ask why this is even an issue as aren't Google's services tracking this information independently anyway, and that’s a valid question. What it really comes down to is how much you as an individual value your privacy and anonymity. Do you want a single company to have a record of everything that you do online? If you don’t mind in any way, then Google's new policy will provide you a benefit. More targeted ads and more personalized information will streamline your online experience. However, this comes at the cost of maintaining your privacy. Why should a company track everything that you do? Privacy is not just for criminals or people conducting fishy activity, you as an individual have a right to keep your personal activity your business if you so desire. Keeping your information private helps knock out spam, prevent identity theft, and keeps unwanted people or organizations from finding out sensitive information about you.
At the end of the day, online privacy concerns must be shouldered by an individual's reason. At the end of the day, would you rather have your information haphazardly spread across the internet in a multitude of databases so you can receive better ads and personalized information, or would you rather know exactly who has your information, why they have it, what they will do with it, and the ability to remove it should you desire to do so?
P.S. If this is the first time you have really considered online privacy, you might want to take a look at these more in-depth tools and tips for better privacy browsing practices or for removing your private information from the internet: