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.

"What Quarter is it?", and "How long do we have left?", visualised as a clock.

If you're building a mostly-frontend dynamic site, but want to make it share-able on Facebook/Twitter with a nice preview image, then here's one new (slightly weird) way to do it.