I don’t know /why/ cleaning robots have microphones, but it can’t be good. What I /do/ know is that a microphone implies an input and an input implies a buffer. And buffers can be overflowed.
As I dance through the streets playing my pipe, augmented with inaudible-to-humans harmonic overtones added by my homemade amplifier, the robots hear, listen, overflow, obey, follow. The trail of robots stretches out of sight, now.
I don’t yet know for sure what I’m going to do with my army of two thousand score Roombas, but it can’t be good.
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