I don't know about wifi tethering, but USB and Bluetooth tethering are both supported by PDANet (http://www.junefabrics.com/android/index.php http://www.junefab

I don't know about wifi tethering, but USB and Bluetooth tethering are both supported by PDANet (http://www.junefabrics.com/android/index.php http://www.junefabrics.com/android/index.php). The iPhone version of PdaNet requires a jailbroken iPhone. The Android version is in the Android Market and works directly on any stock, unmodified Android phone. BTW.. Another difference between the iPhone and Android platforms. If an app is not in the iPhone apps store, there is literally no way for a user to install it on a non-jailbroken iPhone. With Android, it only requires checking one checkbox in the Android settings to allow you to install non-market apps on an Android phone. No rooting, jail-breaking, etc. required.