A "connection" is created when a user clicks a "Like" button for a product or service, either on Facebook itself or an external site.Facebook treats such relationships as public information, and the user's identity may be displayed on the Facebook page of the product or service.
Instant Personalization was a pilot program which shared Facebook account information with affiliated sites, such as sharing a user's list of "liked" bands with a music website, so that when the user visits the site, their preferred music plays automatically.
The EFF noted that "For users that have not opted out, Instant Personalization is instant data leakage.
The first of the new features, News Feed, appears on every Facebook member's home page, displaying recent Facebook activities of the member's friends.
The second feature, Mini-Feed, keeps a log of similar events on each member's profile page.