A contemporary to John Draper, Wozniak was no stranger to Phreaking. In fact, after Draper shared the details of his Blue Box design during a Homebrew Computer Club meeting, Wozniak built a version of his own. Steve Jobs saw the marketing potential in the device, and the two Steves began their first joint venture together. Wozniak's hacking days weren't all spent on projects of questionable legality, though. With the proceeds from their blue boxes as well as selling Wozniak's cherished HP calculator and Jobs' VW van,
Wozniak created the Apple I. With the other Steve's marketing prowess, their company became the industry leader it is today.