Ishango Bone Perhaps the earliest known recording of data (19,000 BC). data collection self-tracking Similar projects to Ishango Bone Where Commuters Run Over Black Children on the Pointes-Downtown Track Ocean Sentinels Locating illegal fisheries with albatrosses fitted with a satellite transmission system. PigeonBlog Using homing pigeons with GPS-enabled backpacks to gather and communicate air pollution data. r/datahoarder A Reddit community around archiving digital information. Khipu A system of knotted cords used by the people in the Andes to record and store information. A Red Record A statistical analysis spearheaded the anti-lynching movement in the United States. Back to all projects.