It's sad that these practices have become the rule and not the exception and they are all over the web. We need websites like these to educate/prevent users fro

It's sad that these practices have become the rule and not the exception and they are all over the web. We need websites like these to educate/prevent users from making undesired choices and up to a certain point fight back. Are there any browser plugins out there that actively warn the user about the nasty tricks is being exposed to?