Weren't they doing something similar to this outside of stores and malls in an effort to keep loitering teenagers away? The store owners were playing high frequencies so that only older people (oblivious to the sounds) would frequent the establishments. Maybe I read it here on OC? After all, this is where I read all the news that's important...
Weren't they doing something similar to this outside of stores and malls in an effort to keep loitering teenagers away? The store owners were playing high frequencies so that only older people (oblivious to the sounds) would frequent the establishments. Maybe I read it here on OC? After all, this is where I read all the news that's important...
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