Facebook 3.0 is a really useful and logically designed this time with easy navigation to all the sections of facebook directly from your iphone screen, they have removed all the clutter there was used to be in the previous versions. The UI interface has been revamped for the good, now the home screen of facebook app looks so cool and really approachable to all the sections in facebook.
You can directly skip to any of the sections separately maximum two touch to the sections like News Feed, Your Profile, Friends, Inbox, Chat, Request, Events, Photos and Notes. (as shown in the image above)
Here is how the news feed looks like
Following are the new feature added in the new interface like newsfeed which can easily customized, RSVP for events, upload new notes and edit old ones, better photo view with proper zoom, cool notifications etc.
The best part is that you can take photos added with status update and post them directly to facebook with a second, I posted a picture directly to my timeline via iphone and it was just a matter of seconds.