The large "unspecified" category leaves me in the dark about whether this is various stuff possibly well related to the HN guidelines<p><a href="http://ycombinator.com/newsguidelines.html" rel="nofollow">http://ycombinator.com/newsguidelines.html</a><p>or various stuff not well related to those guidelines at all. A trend within that category probably does more to change the general flavor of HN than the observed relative size changes of some of the specified categories.