I got a press release the other day which will be great for those who have concerns about their privacy (especially coming after the Facebook Beacon fiasco). My Data is My Data aims to;
help counteract the collection and sale of personal information. This plug-in will be available through MyDataIsMyData.org. Selling private information for profit unbeknownst to the user’s is an abuse of their trust and MyDataIsMyData.org hopes to empower these user’s by allowing them to control the amount of personal information that they make visible.
I’m from the school of thought that says if you Facebook, Twitter, Blog and im at large, privacy would seem to be a secondary concern than connectivity. For those who do however have concerns, check out MDIMDs offering.