IMessage is some thing were u can chat to people who have iPhone iPod or iPad! :)
Someone
Yes. IMessage is not the same as the text messaging you have in something like a Samsung phone. iMessage only works with other Apple devices that have iMessage.
For iMessage on iPod touch you don't get a number people will contact you using the email you used when you signed up.
If you have iMessage installed you can only iMessage other iDevices that has iMessage installed on them. If someone has an iPad 2 but not with 3G but has an iPhone, then the iMessage will go there iPhone.
No. iMessage is only available for Apple devices.
If you have or can install the iMessage software on it you can but if not you can't. You can only iMessage other iDevices.
You can only iMessage with someone else who has an iPhone, iTouch, or iPad.
You use iMessage which is available on the latest iOS upgrade. iMessage operates via wifi, so you must be in reach of a wifi network in order for your iMessage to be sent.
If your phone does not revert to SMS and the receiver also has imessage there will be no data charges. The apple server controls imessage in this case.
Imessage can have go over wifi for iPod touch
You cant unless a non imessage member texts you then it is green