Steve Wozniak built his "blue box" a tone generator to make free phone calls
Steve Wozniak built his "blue box" a tone generator to make free phone calls
An early phreaking tool, the blue box simulates a telephone operator's dialing console – replicating the tones used to switch long-distance calls and using them to route the user's own call, bypassing the normal switching mechanism in order to place free telephone calls
Sold the boxes in dormitories at the Berkeley where he studied as an undergraduate
First call on a mobile cell phone made by its inventor Martin Cooper at Motorola
First call on a mobile cell phone made by its inventor Martin Cooper at Motorola
Call placed to his rival Joel Engell, Bell Labs' head of research
Resulted in a fundamental technology and communications market shift toward the person and away from the place
Cooper stated that his research was inspired by watching Capt. James T. Kirk using his communicator on Star Trek
