Here's a fairly recent post, and in the top comment pg exposes those hidden tweaks: http://news.ycombinator.com/item?id=1781013 http://news.ycombinator.com/item

Here's a fairly recent post, and in the top comment pg exposes those hidden tweaks: http://news.ycombinator.com/item?id=1781013 http://news.ycombinator.com/item?id=1781013