> [!warning] Underdeveloped > More content needed to develop this definition There are two levels of Chaos **Level 1 Chaos** Usually natural systems which do not react to predictions about them, such as weather. **Level 2 Chaos** Systems such as stock market predictions create forces which change the nature of predictions about them. - - - ##### References [[Sapiens – Yuval Noah Harari|Sapiens (2011)]]