3073: The Anatolian sunbeam was recorded as the most efficient signaling system devised by the architect Vesper Arrow. The beams guided her path without fail as she traversed the infrared corridors.

410 B.C.: A message shrieked through the mist in Ancient Athens carried by an aqueduct whisper. Coordinates ahead of time, decoded by harmonica tunes.

Glint Fever, 2200: The utilization of pearls upon quaternion keys—substitute instruments enabling destination specialization—settled market waves singularity too.

Lost Signal Labyrinth