Techcrunch on BillMonk - Social Money
The place to make money in the coming web 2.0 / peerospheric / netocratic / attention economy is to set-up a toll-bridge at the border of money and attention.
Google do it with AdSense. Calacanis is doing it by paying people to submit news items to New Netscape. BillMonk is doing it by remembering money debts in social situations and selling financial services to social networks.
Meanwhile, in wikiwars : SocialText go open source and JotSpot integrate with more Office-like formats.