"Yesterday Google was hit with a fine of $190,000 in Germany for illegally collecting personal data, emails, passwords, and photos from unprotected wifi networks via its Google Street View cars. Coincidentally, Microsoft launched an Online Privacy Awareness Campaign yesterday which will help people learn how to better protect their online privacy. Two of the major ways discussed are actually quite easy to implement – turning on private browsing mode and enabling the Do Not Track feature in your browser."
Great guide for how to turn on "Private Browsing" and "Do Not Track" features for major browsers for added online privacy.
Text to Voice' or 'Text to Speech' is one of the coolest add-ons. It gives Firefox the power of speech. Select text, click the button on the bottom right and this add-on speaks the selected text for you. Isn't it brilliant? Audio is downloadable.