Zoe bit her lip and watched the clock. It had now been forty minutes since her boyfriend disappeared uptown to fetch art supplies, and with him stuck in traffic on the way back each minute that passed was progressively unbearable. As the minute hand swept past the four o'clock mark, she realized it was now less than an hour before the courier would stop accepting overnight shipments. And with a giant stack of paper that still required swift cutting before she could send off her art project, time was of the absolute essence....