prepandemic occupants on-site at some point during the week. online job postings also reflect differences in remote work between large and small cities. in san francisco, 26% of postings permit remote work. in birmingham, alabama, that number is just 10.4%. there s debate of what drives the difference. is it work habits? commutes? in a moment, i m going to ask scott calloway what he thinks. a second story caught my eye the same day. it had to do with friendship and economic mobility and so much more. raj chedy and colleagues released a study, the social met works of 2.2 million users between 25 and 54. the searchers didn t have names or identities, but they were able to use zip codes to estimate income, college, and other characteristics. the conclusion that drove the headlines was theis. for the poor, the best ticket out of poverty is having wealthy friends. it s called economic connectedness. the more connections between the rich and the poor, the better the neighborhood wa