There's a bigger writeup from Olark that was recently posted on HN, with some good comments: https://news.ycombinator.com/item?id=7599765 https://news.ycombina

There's a bigger writeup from Olark that was recently posted on HN, with some good comments: https://news.ycombinator.com/item?id=7599765 https://news.ycombinator.com/item?id=7599765