PC World:

A free new tool released on Thursday was built specifically to address many of the concerns raised in that study and to go well beyond what standard private browsing modes can do. It’s called Do Not Track Plus, and it works seamlessly with Internet Explorer, Firefox, Chrome, and Safari; not only that, but it can increase page load speeds by up to four times, its maker says.Users can decide at the individual website level whether they want to block or allow tracking. When they do want their activities to remain private, DNT+ blocks a growing list of 580 different tracking technologies and more than 200 tracking companies.

I’ve been using it for a while and it’s a bit scary to see how often and in how many different ways we are being tracked.