Earlier this week I cooked a tasty spinach quiche, a feat I owe in large part to the Bay Area time bank. More specifically, I whipped up the quiche thanks to all I learned during a cooking lesson with Christina Oatfield, who I met through the time bank website. The concept of a time bank is simple: all time has equal value. An hour of cooking help, an hour of massage, an hour of computer wisdom—all are considered an hour of work. No dollars are exchanged. Now that I’ve rec