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.

Back in June 18, 2010, I started taking a photo a day, as part of the Project365 flickr group. I did manage to almost always take one photo per day, but it wasn't until 2013 that I actually fiddled with and uploaded them all.

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.

The