No. Instant Messaging through anything other than the Messages application (facebook, twitter, etc.) is only recognized as data by the carrier.
no, apps are only the ones you download
Facebook App from the Apple app store.
Via wifi. You will need to download a texting app
You'll have to buy the facebook app for free in the app store or you can get on facebook in safari but an app is recommended.
If you have the Iphone there is a texting app.
you need the facebook app if you want to instantly get to facebook, and that is free in your app store, but you don't HAVE to have the app because the iPhone should automatically come with internet so you can click Safari (internet) and also get facebook from there.
with the facebook app on the iphone or an itouch
Go to App store. Find Facebook. Install it. Log in.
App stoRe-)search-)facebook
Does Facebook texting show up on bill
Just download Facebook from your App Store located on your iPhone.
The Facebook iPod Touch/iPhone app can be downloaded from the iTunes App Store.