Agreed. It would be a rather short script to, e.g., send every js-accessible cookie on every site you visit up to a third party. It doesn't take a lot of code t

Agreed. It would be a rather short script to, e.g., send every js-accessible cookie on every site you visit up to a third party. It doesn't take a lot of code to capture a lot of high value data. The supposition that it does is quite strange.