Hidden USB Drives Embedded in Walls
You can find anonymous file-sharing networks hidden inside public brick walls. These physical USB dead drops invite strangers to plug in their laptops to exchange files offline in the middle of the street.
These devices are installed by cementing flash drives directly into walls or urban structures, leaving only the connector exposed. They function like an offline, peer-to-peer network where anyone can leave messages or digital art for the next person to discover. While it sounds like a plot from a spy novel, most are created for artistic or social experiments rather than espionage. It is a strange, analog way to share data in our hyper-connected digital age.
Source: USB dead drop