The last time we talked about this (http://news.ycombinator.com/item?id=1179970 http://news.ycombinator.com/item?id=1179970), the consensus was that it was a lo

The last time we talked about this (http://news.ycombinator.com/item?id=1179970 http://news.ycombinator.com/item?id=1179970), the consensus was that it was a lot of snake oil and not useful for most applications.