Drew Houston had a problem. Nervous, he patted the pocket of his jean...Then of his shirt...And then of his jacket. Nothing. He was in South Station, in Boston, Massachusetts, about to, finally, take a bus to New York City, to spend a few days with friends. Suddenly, he was in a bad mood. He had four hours ahead of him. He had his laptop with him so that he could finish pending work for his classes at MIT. But he'd forgotten something essential: his pen drive. All of the data he needed, copied from his computer desktop at the university, was now on his external storage device, lying in a desk drawer at his home.
