The setup required FAS workers to tread through the rainforest to find a place where they could string the zip line so the Trekker wouldn't bump into tree trunks and branches as it zoomed through the thick canopy. Since Google developed the Trekker camera in 2012, the device has been dispatched on other unusual journeys. Google's Street View feature has raised privacy concerns through the years because its photographs have occasionally captured images of unsuspecting bystanders engaged in embarrassing activities or near places where they didn't want to be seen.