More info about The Thing. |
Briefcase recorders in the 1950s led to transmitters hidden in shoes in the 1960s. By the early 1970s, bugs hidden in tree stumps intercepted communication signals. Devices continued to become more compact. In the 1980s, tiny transmitters with microphones were hidden in pens.
The advent of the Internet ushered in the Web bug, which tracked who viewed websites or e-mails and provided the IP address of an e-mail recipient. In 2013, drones and computer programs continue to develop as surveillance tools.
So how does the future look for spying?
"It looks good," Earnest said. (more, with photos of spy gear)