Arguably search is an orthogonal constraint too, but crawlers inevitably are a few days behind the curve. Yesterday, for example, I spent an hour tracking down

Arguably search is an orthogonal constraint too, but crawlers inevitably are a few days behind the curve. Yesterday, for example, I spent an hour tracking down this comment. Eventually I had to triangulate based on the users I remembered in the thread. http://news.ycombinator.com/comments?id=13037 http://news.ycombinator.com/comments?id=13037 The search engine at bigheadlabs seems to have stopped crawling as well.. http://news.ycombinator.com/comments?id=4780 http://news.ycombinator.com/comments?id=4780 Just another use case to think about. You can't sustain good conversation without giving people the tools to read smart.