I wrote a bit here https://news.ycombinator.com/item?id=45276516 https://news.ycombinator.com/item?id=45276516 and here https://news.ycombinator.com/item?id=394

I wrote a bit here https://news.ycombinator.com/item?id=45276516 https://news.ycombinator.com/item?id=45276516 and here https://news.ycombinator.com/item?id=39461180 https://news.ycombinator.com/item?id=39461180.