Lots of dialog boxes...
Do you want to allow 'facebook.com' to use cookies and website data while browsing 'blabbermouth.net'? This will allow 'facebook.com' to track your activity.
If a page can link to 100 or more scripts while it's downloading, is this going to be like Netscape Communicator was back in the day when you configured it to pop up a dialog box for every new cookie that was set?