blahedo posted this link here: http://news.ycombinator.com/item?id=1660405 http://news.ycombinator.com/item?id=1660405 and I thought I resubmit it as it is quit

blahedo posted this link here: http://news.ycombinator.com/item?id=1660405 http://news.ycombinator.com/item?id=1660405 and I thought I resubmit it as it is quite interesting, esp. if you compare it to how Google handles such changes.