Mozilla delays blocking advertisers' cookies in Firefox

After announcing that it would soon start blocking cookies from third-party advertisers by default in Firefox, Mozilla has walked back on its plans while it continues to test the system. In a blog post, Mozilla's Brendan Eich said that the patch needed more testing and data in order to refine it for release. "The idea is that if you have not visited a site (including the one to which you are navigating currently) and it wants to put a cookie on your computer, the site is likely not one you have ...