If previously many users feel up their slow, unresponsive, and many features that are not working, not anymore.
The update comes with new features including the 'up Places' (feature-based check-in location), and the ability to tag photos as desktop version.not only that, the update came with little change in appearance with a larger font, comfortable, and a touch more responsive.
For information in addition to having the application up separately, WP7 using Facebook as part of their contacts feature called 'People'. Interested users can download these updates Marketplace.