Holograms are used often; as "telephones", as signposts, and as information/mission briefing.
"The game is set in the United States during the aftermath of the eponymous Death Stranding, which caused destructive creatures from a realm between life and death to begin roaming the Earth. Players control Sam Porter Bridges, a courier tasked with delivering supplies to the fractured and isolated colonies that remain and reconnecting them via a wireless communications network."
- Retrieved from Death Stranding's Wikipedia page, March 3, 2020
The Odradek is a shoulder-mounted scanner which analyzes terrain and objects. When connected to a BB pod, the Odradek also detects BTs.
The Portable Chiral Constructor is a 3D printer for structures such as bridges and watchtowers.