Firefox Do-Not-Track Feature Has a Fatal Flaw

Mozilla is working on a new privacy feature for its Firefox browser that will enable users to opt out of online tracking by enabling a do-not-track setting in the HTTP header. The approach is better than nothing, and arguably better than rival do-not-track proposals, but still has a fatal flaw--it relies on the tracking Web sites to play nice.

The United States Federal Trade Commission (FTC) has recognized that tracking is a privacy concern for Web-surfing citizens, and it has proposed implementation of some sort of do-not-track framework similar to the do-not-call lists that are supposed to keep annoying telemarketers from calling you.

Firefox Do-Not-Track Feature Has a Fatal Flaw - PCWorld Business Center

<snip> but still has a fatal flaw--it relies on the tracking Web sites to play nice.

Which they won't do, unless faced with heavy fines and such. However, if that was the case-- they'd just move their server(s) to somewhere without Internet laws.

Edit: Firefox should just disable all third party cookie support like Safari does.