Meh; user funding saved metafilter a couple years ago. User supported ads free model certainly will generate more money per enrolled user than would have been m

Meh; user funding saved metafilter a couple years ago. User supported ads free model certainly will generate more money per enrolled user than would have been made on advertising. The trick is to keep the costs of the program low, and avoid giving people bad incentives that break the store for non paying users. This isn't actually difficult... It's not like they need to set up payment systems from scratch anyways....