Safely use Facebook? Isn’t that an oxymoron? I’ve heard stories of people who have never used FB and upon initial account creation, they find that FB already has a lot of data about them that gets associated with their account automatically.
You can’t really use FB without giving up information. Your early suggestion to only access FB within a FF container is about the best you can do short of not using FB at all. Even that is not enough. Many websites have API’s that FB has access to that is used to collect data. I don’t have a source for this to site, but there was an issue not too long ago where FB got in trouble. I think it was related to one of the mobile manufactures SDK that was providing data to FB without the users knowledge.
The first part of the solution is knowledge of what companies are data-mining from us and how they are using it. For many people, being targeted by is not a big deal to them. They will be the first to tell you that you can’t avoid it.
Personally, I run the no-script extension in FF and I find it interesting that some web-sites are running as many as 25-30 scripts on their page, many from 3rd parties. To me, this is really sad and has turned the internet away from information sharing as a resource into more of a greedy marketing data collection tool. Luckily for us, there is a lot of free information that can be had from other sites.
Ok, enough of that. Back on topic. For parents with younger kids, tracking is a serious issue. There are predators out there and the parents need to understand the importance of data and network security on their mobile devices and within their home network. Here is a perfect example:
Show this video to the parents so that they are aware of how easily and quickly this information can be collected.