Unfortunately, you cannot text an iPod without a message being sent to you from the iPod. However, you can download a free text app, send a message to a phone, and the phone can press 'reply' and should be able to text back on the iPod Touch.
Yes, you can message people and with an ipod you can
It means they used an app on the ipod to send it It actually is the signature that the apple iPod touch comes default with. it is only used when you send a message with the mail app
The Apple Message App comes pre-installed on iOS 5.
Text now or text+
yes. eirtext and mail
Update your iPod to the latest firmware. iOS4 Hope this helps message me if not.
No
There are apps you can download like bluetooth IM which uses BlueTooth technology to send a message from ipod/ipad/iphone to ipod/ipd/iphone.
Yes. If someone with an iPod had yahoo messenger, or something else like that, you can instant message them.
Both an iPad and a fourth generation iPod Touch can use the same Messages app, so yes.
Yes, if you get it from the app store.