A few weeks ago, a friend of mine posted this Serious Eats article on Friday Night Meatballs on Facebook. The idea is simple enough, pick a night for a standing dinner party and host a small group of folks every week. The outcome, however, is a more ambitious, though: “Change your life with pasta.” In the author’s version of the event “[f]riends, neighbors, relatives, clients, Facebook friends who’d like to hang out in real life, …