There is a app called skype you can text with it and theres ebuddy which id for instant messeging
No it won't since the ipod touch can't send or receive any text messages. If you mean the iphone then yes
Text Plus is for the iPhone and the iPod Touch.
No you can text as normal
No they are not.the iphone can call peopleThe ipod can only text if you buy the app for it.(you can get it for free too but you can only send 15 a day)The iphone has internet anywhere I believe and it is a little faster
You can text and even video chat if you have Skype. And yes you can call but it's illegal.
The iphone and ipod touch are almost the exact same. the ipod touch is basicly an iphone but with out text or calls there are also apps with unlimited calling and texting on the ipod touch but you need a wifi connection
It can be to regular phones/ipod touchesboth
Yes. iMessage
Yes it basically does everything an iPhone does except call (you can text on iPod Touches).
yes
If someone you know has a iPod touch 4g, iPhone 4g and IPad 2