Using the QWERTY keyboard, enter your Facebook Chat message to your friend. To switch between alphabetic characters, numerals and punctuation, use the button in the lower left-hand corner of the keyboard as you type.
To send your message, click "Send."
What About Facebook Chat Emoticons?
Unfortunately, support for Facebook Chat emoticons is not included yet with the Facebook app on iPhone and iPod, but you can use the punctuation keys to create generic smileys and other emoticons.
How to View Your Contact's Facebook Profile
Want to check out what your friend is up to on their Facebook Wall? Click the "Profile" button in the upper right-hand corner to see their account pages for latest status updates, photos and more.
How to Return to Your Facebook Chat Contacts
After sending your IM, click the "Chat" button in the upper left-hand corner. Your buddy list will return so you can send messages to multiple people at once.