At one point or another practically all of us have lived in an apartment. Whether its while we're in college, or just waiting to get a good enough job to bet a house, apartment living is its own special part of our lives.

This first video is something we've all dealt with. Not all of us have had upstairs neighbors. But it could just as easily be the neighbors next door. Or across the hall. Or even, in the worst cases, the one below us. Meet the noisy neighbors.

After watching that video, this next one makes me wish the internet had been around earlier so I could have built one of these for some of my neighbors. Who am I kidding? I live in an apartment right now and could use this.

YouTube poster Matthew Br built a device that senses when the neighbors are being overly noisy. After a short grace period, if the noise continues, the device blasts especially annoying music right back at them through the walls. This guy is going to be rich if he can sell these.

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