Only the 32 and 64 gb talks. when your listening to music then hold down the HOME button. With you earbuds in of course. then you should hear a beeping sound. on the second beep you can give it a command
No the ipod is just an ipod you cannot use it as a phone.
no thats called an iphone :)
Go to http://www.google.com/talk on safari on your ipod touch. :D Enjoy!
if you have to talk into it then you cant because an ipod doesnt have a microphone!
iMessage for ios5 or text me which you can buy in the app store
As far as i know you can only talk if you plug in a microphone. I hope that answered your question! 
You can talk to him over instagram for iPhone and iPod touch or twitter or Facebook
tell them everyone has it, it worked for me.
Call them up and ask them if they have "seen" your IPod. If you have proof that they have it talk to their parents and if you need to call the police.
You Type I Talk
There are apps that allow you to dial phone numbers
iPods do not support phone calls, unless you call over Wi-Fi, which are usually unlimited talk.