First step would be making private browsing the default. Second step would be making strong, capable adblockers built-in. Third step would be something like Fir

First step would be making private browsing the default. Second step would be making strong, capable adblockers built-in. Third step would be something like Firefox containers, one for each domain. Fourth step could be analyzing network traffic for potentially fingerprinting information and blocking it. I am sure there is much more to think of.