I suspect it won't negatively affect privacy directly (unless you're taking less care as a result of your feeling of safety). That said, mechanisms such as fla

I suspect it won't negatively affect privacy directly (unless you're taking less care as a result of your feeling of safety). That said, mechanisms such as flash cross-browser cookies are technically possible [1], and I'm sure are in use in the wild. [1] see for example the evercookie (http://samy.pl/evercookie/ http://samy.pl/evercookie/), which even lists the various delivery mechanisms for cross-browser persistence, about halfway down the page.