Spy cameras can be so small that even if you knew where the camera was, you'd have difficulty finding it. New spy cameras can operate without wires for a number of days. Read more about Spy Cameras.
Night vision goggles are mainly used by the army to spy on the enemy. Although night vision equipment is available to the general public, it's remarkably expensive. Read more about Night Vision.
Keyloggers are relatively new gadgets that allow someone to see everything you type on your computer. There are two types of keyloggers: external and internal or hardware and software. Read more about Keyloggers.
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