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.

TLDR: I've made a game: Playout. Please DM any feedback or feature requests!

The germ of this idea came from teams moving around at Skyscanner. Eva is an office manager there and often had to manually work out where to place teams when there was an office rearrangement. She had to take into account many preferences and constraints. Iva (a colleague) and I both thought this was something where a computer could be a helper, perhaps representing the task as a Constraint Satisfaction (CS) problem.

I am an occasional photographer and I became interested in how compositional techniques could help me produce better pictures. I've been using the rule of thirds, not least because my camera has an easy to use overlay for it. However, what