Notes from my 2012-07-10 CMUG talk:
"Privacy: a Firefox Perspective"
How to Disable Third Party Cookies in Firefox:
How to Get Add-ons for Firefox:
Add-ons Recommended by Lars:
Visualize who's tracking you in real time.
removes ads and associated trackers making web pages load faster
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
See who's tracking your web browsing and block them with Ghostery.
see the comment below regarding HTTPS Everywhere
encrypts your communications with many major websites, making your browsing more secure.
Other Links of Interest:
Electronic Frontier Foundation