Analyst blogger, Jon Arnold, takes a close look at Mobivox, a service whose premise I like a lot.
Why? First it really does lower cost of calling. Second it shows that David Beckemeyer's vision of PhoneGnome and voice applications is being adopted by others. Third Mobivox is agnostic. It doesn't care if your on Skype or PSTN it just knows how to reach you.
Give Jon's podcast a listen.