No Love Deep Web
One of the albums released by the band called as “Death Grips” is none other than “No Love Deep Web”. To promote the album an augmented reality game in the same name which involves a scavenger hunt in it.
The participants have to answer a Payphone in another city at 3 am as a part of the hunt. But to their surprise they only could hear was a heavy breathing without any response.
For further info – No Love Deep Web ARG