Facebook delivers version 2.0 of its iPhone app
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Facebook on Tuesday released version 2.0 of its popular iPhone app (iTunes Store link). This release contains a lot of the functionality that is in the full version of Facebook, making the iPhone version much more attractive. Some key features added include friend requests, notifications, people search, photo tagging/captioning, full News/Mini Feeds, message attachments, and inbox search.
The application, overall, seems to be more snappy and definitely has a better look to it. The inclusion of friend requests and notifications is big here, adding a whole new level of usefulness to the app. People search is also an extremely useful addition to the app, allowing you to find people who aren't already your friends. Additionally, photo tagging is integrated very well and along with captioning, makes the photo uploading part of the app fully functional.

A point of pain and confusion among my friends since Facebook launched their iPhone app has been the lack of message attachments. Messages would not display their attachments, creating miscommunication between those using the iPhone app and those using the browser based version. Thankfully, that issue has been resolved in this update.
This is the version that a lot of people were expecting at launch for Facebook's iPhone app. Many were disappointed by the lack of wall posting (which was quickly added) and other features on day one and this update should do well to satisfy them.