Turns out iOS 4.3 allows the Bluetooth to act as a client, just like how a Mac can connect to the Internet Tethering feature on the iPhone before iOS 4.3. So now our iPads can connect to iPhone 3G and 3GS via Bluetooth. All you need to do is to pair up the devices. This might save up some battery juice since Bluetooth takes up less power than WiFi. A more detailed writeup is available at: http://meekgeek.tumblr.com/post/3763709075/bluetooth-personal-hotspot-in-ios-4-3 So now all our WiFi iPads can get some of that internet love while on the go. Cheers!