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If you hacked the firmware of an electric toothbrush to increase the amount of time each 30 second phase took by 0.5s each time the toothbrush was used, how long do you think it would be before someone noticed?

Every 2 months, you'd spend another 2 minutes brushing your teeth.

At the end of the year, you'd be spending 14 minutes brushing your teeth.

Would you notice? Would you slowly go mad.

#WorstPsychologicalThrillerPlotLines