So, if talking to strangers seems daunting to you, it might help to think that by doing so, you could give someone the gift of being seen.

After all, cities are where people are supposed to have serendipitous encounters—as the writer and critic Jane Jacobs said, “The metropolis provides what otherwise could be given only by traveling; namely, the strange.” By comparison, the cliché goes, people become more atomized the farther they move from urban environments into the clinical, safe,... See more