Google Talk for iPhone and iPod Touch

Google releases a GTalk (Google Talk) special version for IPhone and Ipod Touch.
With this gadget you can chat with your friends without installing any application, but simply using Safari.
However, at this moment this gadget is available only for US resident users:

http://www.google.com/talk/

Another particular "problem": as you can see in the link above, you must enter your phone number, to receive a link from Google.

Via Motoricerca.