I have "do not track" and I have Firefox Adblocker, plus a few other lil tricks. I still get ads and "Gargoyle" still tracks where I have been and sends me customized ads within whatever I program have open.
Your alternatives seem to be to either turn off your computer and never turn it on again, OR to surrender every single piece of personal data (bank accounts, passwords, pix of yourself in the shower
) to the world at large.