Paul Singh (snailpad fame ) interview on Mixergy Posted by learnalist on Thursday April 29, 2010 @06:53PM from the mixergy.com dept. http://mixergy.com/mailfinch-paul-singh-interview/ ( 4 comments | 9 points | on HN )
Google "site:http://news.ycombinator.com/ snailpad" for more on his app. It was easier than listing all the links.
I have to say its one of the better interviews of recent times. There are some real gems of information in there.