OK OK... I talk all the time about Skype ! why? Because voice-over-IP technology is revolutionizing the way we communicate (much more), but also all the industry dynamics. Now that Skype is also opening up their APIs, many more applications will make use of them.
For more insight into VoIP check Jeff Pulver's resoruces, and also, make sure you watch the latest movie on the block: VoIP the Movie!
