I hadn't done any lo-fi text analysis for ages, and since we've been using Slack at my job for a little while now, it was time to get munging!

Go to any local attraction and you'll see people taking selfies with statues, towers, all sorts of sights. Once, walking past tourists taking pictures of Greyfriars Bobby in Edinburgh, I reckoned that some of those will be posted on Twitter. I should be able to find these, and similar pictures, automatically. How difficult could it be?

Problem: Porn.

I first encountered LSystems during university; this was in the mid-90s when fractals were becoming mainstream. However, it was only in 2009/2010, when I needed a toy problem to learn Scala and JAX-RS with, that I started writing renderers.

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