How does iMessage work?
I have an iphone 3gs and it does have the imessage feature on it, but I do not currently have a texting plan, does imessage still works if yes how? Do I just receieve it as a text message or what? I know you can decide where it could be recieved as and I put down my email, but how does the whole thing work? please help me out, thanks!
iPhone 3GS, iOS 6