no
basically picture messaging
it is like a chatroom message
Text Messaging,call,play games etc..
MMS (picture, sound and video messaging) is currently (March 2008) unsupported on the iPhone, although the capability is there and could (in theory) be introduced in a later software upgrade.
In order to do SMS messaging, you will need to first own a phone that is capable of doing it. The iPhone is capable, as is other phones such as the BlackBerry.
I think you can only have a signature on the email.
AT&T does not offer the iPhone 4S without a monthly plan. There are pay as you go options for text messaging starting for 10 cents a text. However, the iPhone 4S has iMessaging which does not count towards text messaging.
No, Iphone does not have BBM but it does have some other apps that can be used for free messaging like text free etc.
Yes. There is an app on the iphone. You can talk to bill and tom by messaging.
The starting rate is usually $70, but if you add messaging it goes up.
Ebuddy on the iPhone is a version of the popular Ebuddy Instant Messaging Software (IM Software). This version was created for use with the iPhone (All models), iPod Touch (All models) and the iPad (All models).