I've tried this with a group. It's good for generating endless conversation on principles of economic fairness. It completely fails to be a time-saving mechanism.
There is the completely rational mind and then there are humans - this represents a separation point :)
Ha! Touche! Yes, this has never actually saved time. Well, among me and Bethany Soule (coauthor of the Android app described in the article) and Sharad Goel (co-blogger at Messy Matters) I think it's now routine enough that it saves time.
But it's so the Right Way to do it! I guess it's like trying to get Americans to use the metric system. It would be worth it if it actually worked...
There is the completely rational mind and then there are humans - this represents a separation point :)