Actually, that was the whole point. They were not allowed to due to their separate service agreements/privacy policies. Then, early in Q1 2012, presumably as p

Actually, that was the whole point. They were not allowed to due to their separate service agreements/privacy policies. Then, early in Q1 2012, presumably as part of the whole G+ ecosystem push, they unified/changed their Privacy Policy terms across all (most?) services which users also had to accept.