How open is open?
While Google Talk will use the Jabber protocol, there are concerns over network interopability, with Jabber Australia President (and Geekrant reader) Jeremy Lunn questioning how (and if) Google Talk will work with existing networks.
Meanwhile, the extremely popular but extremely proprietary Skype has opened up… just a teensy bit… with an API to let developers hook into Skype a little more easily. Doesn’t mean other clients will be able to use the Skype protocols, or extend Skype support onto new platforms, mind you.
