Not sure if anyone has used it but you have to try mywi. It is a app that lets you make your iphone into a wifi router unlike pdanet that uses adhoc it actually brodcasts as a normal router you can even connect a itouch and multiple computers. It is faster and better battery life then pda net. My sister has a touch so in the car i turn it on so we can both get internet in car. It has a 10 day free trial the app is 9.99 well worth it. You need rock app its a rock your phone app.