Make cities dysfunctional. Make things difficult, and hard to work out. Make the doors stuck , so that people have to ask strangers for help to open them . Writ

Make cities dysfunctional. Make things difficult, and hard to work out. Make the doors stuck , so that people have to ask strangers for help to open them . Write code with bad comments , so people have to ask each other what it means. Asking for small favors makes people more likeable to each other (Ben franklin effect). activities like cooking and tending and garden are great ways to engage with others fluidly, the problem is how you get people to do these activities in the first place without self-selection.