A former student was waiting for Eric in his office. Eric racked his brain trying to put a name to the face.

"Ted Nelson," the student reminded him, standing, as Eric entered the office. "I was in your internet class last winter."

Eric shook the young man's hand and sat down at his desk. "What can I do for you, Ted?" he asked politely. He offered his visitor a cup of coffee, which Ted refused, but Eric took one for himself. Then he rummaged around on his desk for some ...