If you are on facebook and ebay, I’d suggest logging out of those when you aren’t using them either.
Many “media” and blog sites now grab your facebook info in case you try to post a comment/reply.
And I’ve seen an ebay (sidebar, not newsfeed) ad on facebook that displayed a previous item I’d looked at there with a line like “you still have time to bid on this”.
If you aren’t using a website, you may want to rethink being logged in.
Isolating browsing activity might also thwart any tracking cookings (use one browser for the tracking sites and another for other activity).
Firefox Anti-Tracking Extensions:
These are some anti-tracking add-ons for Firefox/Palemoon, IE, etc.
DoNotTrackPlus
https://www.abine.com/
Ghostery
https://www.ghostery.com/
Disconnect
https://disconnect.me/
I also found another extension that first tries to load an HTTPS website, as that is a ‘secure’ website:
https://www.eff.org/https-everywhere
Yes. They claim not to, but they still track you.
Logging out doesn’t get rid of cookies. It’s the new world, the interconnected nature of the web goes both ways. There’s no way around it.
I posted a question at a Adobe Dreamweaver (create webpages) forum and my full name showed up. I never added my full name. In Yahoo email I am seeing email addresses I never added showing up that are only in my Thunderbird email contact list. (someone scanning the computer!)
I also notice the ads following you around until you delete all cookies. Google, Microsoft, Facebook etc are working on tracking you without cookies.
Delete cookies:
http://www.allaboutcookies.org/manage-cookies/clear-cookies-installed.html
How you are tracked:
http://venturebeat.com/2014/10/06/the-cookie-is-dead-heres-how-facebook-google-and-apple-are-tracking-you-now/
I’m Being Followed: How Googleand 104 Other CompaniesAre Tracking Me on the Web
http://www.theatlantic.com/technology/archive/2012/02/im-being-followed-how-google-151-and-104-other-companies-151-are-tracking-me-on-the-web/253758/
How trackable is your browser
https://panopticlick.eff.org/
They will use the unique ID of your device to track you. Stores already can do so with your cell phone as you walk around a mall. They do not know you are John Smith at first but as soon as you buy something they know ID 123456 is John Smith. It is then sold and resold to anyone and you are now tracked like some animal you see on a tv nature program.