The Brave New World of Internet privacy
Digging further into the permissions granted apps, it's clear that the "license fee" for many free apps is information about the user. But one can't be part of a social network and be anonymous. Facebook Home's permissions compared to Google+ are similar. The exception is the "System Tools" permissions. Facebook is granted permission to collect information about app usage so notifications from native apps, such as Gmail, can be presented on the Home interface.