The article linked in this thread had pretty good details: http://news.ycombinator.com/item?id=802889 http://news.ycombinator.com/item?id=802889 (http://www.tb

The article linked in this thread had pretty good details: http://news.ycombinator.com/item?id=802889 http://news.ycombinator.com/item?id=802889 (http://www.tbray.org/ongoing/When/200x/2009/09/02/Ravelry http://www.tbray.org/ongoing/When/200x/2009/09/02/Ravelry)