The startling truth of the Overton Window
A quick introduction to the Overton Window, a key concept that has helped me make some sense of what seems to make no sense at all sometimes where politics and sentiment analysis are concerned. 
text engineering
What is Natural Language Processing?
Before proceeding with the Building better systems series I thought I should write a quick post over the weekend about the underlying Natural Language Processing (NLP) and text engineering technologies proposed in the solution. I have received a lot of questions about this when I posted How to build better systems – the specification.