Facebook is one of those unique kinds of sites; you either love it, or you really think its pretty useless and silly, best left to teenagers. If you’re in the former group, you’ll be happy to find out that the site has been upgraded to 2.0 on the iPhone.

The new version of the iPhone Facebook client adds a lot of features that were lacking in the original app that Facebook debuted when the App Store opened its doors. They’ve finally added support for notifications, the full News Feed (and story comments), people search, friend requests, photo tagging and captioning, your entire inbox complete with attachments, and more. Plus, the app as a whole is supposedly faster and more stable, especially for those with lots of friends on their list.

The update is available to download for free.