I just spent a happy half hour playing with this – the first of many, I suspect. It’s the latest version of the Hans Rosling/Gapminder graphs that I’ve blogged on before and this one is really user friendly – even I can get it to work. Just click here to start messing around. It allows you to construct a graph

I’m conscious that this blog has been somewhat heavy going this week, so here’s a reward to anyone who got through to Friday (especially for any saddoes like me who end up watching youtube at the weekend). Hans Rosling is a youtube phenomenon, a Swedish economist whose lectures on data and development have deservedly become legendary. He specializes in showing