> The official system of record can either be the event logs or the current application state. If the current application state is held in a database, then the event logs may only be there for audit and special processing. Alternatively the event logs can be the official record and databases can be built from them whenever needed.

http://martinfowler.com/eaaDev/EventSourcing.html

I guess what I'm doing right now is processing all the links at https://github.com/gittip/www.gittip.com/issues/1549#issuecomment-31630022.