add friends and locations or check in right from the comment bar, also
they have added a very Google + feature of posting your comments to
different feeds, so you can post to public different information that
you would post to friends or you can make a custom feed to post to.
Facebook is always very quick to strip features it likes from other
developers and integrate them into it's own product, it's hard to see
how others will compete as they have the users and can update the
service so quickly.
