I recently argued for Cohabitive Games, games that are designed for practicing negotiation, or for developing intuitions for applied cooperative bargaining, which is one of the names of preference aggregation.

I offered the assets for P1, my prototype, to whoever was interested. About 20 people asked for them. I told most of them that I wanted to polish the assets up a little bit first, and said that it would be done in about a month. But a little bit of polish turned into a lot, and other things got in the way, and a month turned into ten. I'm genuinely a little bit dismayed about how long it took, however: