I've Talked about this before. . .

But never on this blog. 

I'm always pushing Skype. I'm thinking about a full transition to Skype once wi-fi phones become more reliable, and as Wi-Fi networks become more seamless and avaialble.

If everyone I wanted to IM with was on Skype, I'd never use anything else.  There's a lot of reasons for this, but the most important one is Skype's inability to be tapped.

Carnivore, Echelon and other gestapo-like technologies have no chance against Skype.  Read about why in this great article.