I jot the intersection street names (and whether I'm uphill or downhill—for some reason, this problem manifests itself most frequently when in SF) in a 99¢ Wal-

I jot the intersection street names (and whether I'm uphill or downhill—for some reason, this problem manifests itself most frequently when in SF) in a 99¢ Wal-Mart mini-composition notebook that sits in my pocket at all times.