No.You need a carrier.
Yes you can text on the ipod touch 4. You need wifi and you have to download the app "Textnow" and you can text
You can text and even video chat if you have Skype. And yes you can call but it's illegal.
Yes unless it is your WiFi you are using so technically you are still paying for it
If you want to text and surf the web wherever you want, you should get an iphone 3gs. There is an app called text plus, but it only lets you text over wifi. Ipod touch can surf the web only if there is wifi
Yes, you have to be connected to wifi when you want to FaceTime with people. They need to be connected to wifi as well, so text them and tell them you're going to Facetime them and to turn on their wifi.
Any where that WiFi is available. There are no restrictions.
How Do I get my wifi network back on my iphone
Yes you can get a iPhone without 4G and still have wifi, I currently have a iPad and I am not connected to my phone network, it works very well but if you don't have wifi around you, you can't go on the Internet or other things involving web, I'm not sure if this is the same for the iPhone, but I'm assuming it is
Yes, it would be like having an iTouch. All the apps and WiFi just no phone calls or text.
Yes? Have you read the user manual for your iPhone? It would tell you. Additionally, if you go into your settings application, then you should see Wi-fi within the top 5 lines of text.
No.
No...you don't need wifi for the American idol app for iPhone.