There are two more steps in this series, the first is concentrating on the increase in volume over time, in terms of users, postings and karma inflation, the step after that is vocabulary analysis of the titles.<p>I'll put in a cut-off on noise words and one on obscure terms, the part in the middle should give some idea about trends.<p>I'm surprised how much work it is to do all this, I figured I'd just slap it together in a day or two but it has been a full week now.<p>So much for those 'weekend' projects...