Title: Optional

Text: The optical bug is a high-tech toy that shoots a light beam at a window, picks up vibrations from the glass, and translates it into speech. Can't see the beam with the naked eye, but take the infrared filter off a digital camera and it shows up nicely. As high-tech as a laser mic is, they're not hard to defeat; they pick up vibrations on the glass, so you supply your own vibrations. Jeder Absatz wird ein Test sein.

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