In 1999, most of America's tech hysteria centered around Y2K. But at that same time, a teenager in Canada named Mike Calce was messing around in chat rooms, meeting hackers, and learning tricks. At 15, he decided to put his knowledge to the test. To push up against the Internet's limits, and in some places, break them. In the end, he managed to pull off something no one had ever seen before. Today, we talk to the self-proclaimed “MafiaBoy.”