Why protect yourself?
Google logs and analyzes so much information about a chrome user's browsing habits, it can tell who they are, out of billions of people, without even needing them to log in most of the time. A lot more than targeting an advertisement can be done with your browsing history and info which is stored indefinitely. Along with the companies that pay to access this info, random google employees/contractor, hackers, or even government representative with no warrant can access it, and potentially know you better than you know yourself.
With that said, the