'But the most lucrative and amusing part was the blue box. Wozniak showed its virtues to his friends. Wozniak made some calls to his sister who was working on a kibbutz in Israel. On Jobs's urging the pair turned a pastime into a small business and began selling the devices. "He wanted money," Wozniak said of his partner.'

From Return to Little Kingdom by Michael Moritz: http://jmtame.posterous.com/hes-got-the-whole-world-in-his-h...