iPhone lacks a physical keyboard. Many users have complained so far but Apple is firm about its decision on not to have one. As a result, some have come up with a mod to use iPhone with external keyboards.
Ubiqkcom has made a hack that enables use of Apple Wireless Keyboard to type on the iPhone! It is based on the Bluetooth stack developed by researchers at ETH Zurich.
It uses the device’s Bluetooth hardware to connect to the Bluetooth keyboard and does work with all the applications that use on-screen keyboard (umm.. all!). The best of all is the fact that you just need to jailbreak, no hardware mods necessary!
In the video, the iPhone is in airplane mode kept side-by-side with a wireless Apple keyboard, which confirms that the mod involves no use of the Wi-fi...