Maybe I missed the point, but this article doesn't explicitly say 'social features'. It simply says that the firefox community is bettered by more people using

Maybe I missed the point, but this article doesn't explicitly say 'social features'. It simply says that the firefox community is bettered by more people using it. Granted social features are the first that come time mind, but I can imagine some others. * A standard platform for whatever plugins you like * Aggregated usage data