22 ms·Opportunity cost. free time has value.by dekhn 3y agoOpportunity cost. free time has value.djbusby 3y agoWaiting for my food at a restaurant is not "free" time. Talking with friends in my kitchen while cooking (and drinking!) is "free" time.sanderjd 3y agoThis is a very "person with lots of leisure and socializing time" perspective.