People are curious about the future since far-far away in the past. So, there were always methods and rituals to clear the shades of tomorrow and make an attempt to predict it. Trendwatching is one of them, as well as birdwatching, e.g. Roman Augury.
The Framework for Predictive Systems, PredictionX: Omens, Oracles & Prophecies
Omens, Oracles & Prophecies is the first part of Harvard free online course on predictive systems
. And this is one of the most fun and inspirational introductions in times! It gives the framework, but also Diviner’s guide “showcasing methods of divination whose origins go back many hundreds of thousands of years, ranging from astrology to Chinese bone burning to Mesopotamian sheep entrails”.
Diviner’s Guide, PredictionX: Omens, Oracles & Prophecies