When your on a wireless network nope :)
When your off your wireless network Yes you are using your data usages!
The iPhone has its own Service Plan which has Internet included.
no, you just have to have a wi-fi router and Internet
yes, you can just use wifi access to use the Internet on your iPhone
The use of clever bot on internet is totally free but you will have to pay to get the iPhone application.
The use of clever bot on internet is totally free but you will have to pay to get the iPhone application.
When you use the Internet.
if you are using something that requires it then yes it does use internet
the itouch has free Internet
Yes I have a iPhone On tmobile and no Internet
Yes, you can buy international iPhone's version (a iPhone with out Internet) in eBay or amazon, some iPhone that sell outside U.S, is international iPhone' version. You can use it with any network that you like.
no you can use the mobile network for Internet
YES