Prediction Markets
Facebook tests Forecast, an app for making predictions about world events, like COVID-19
Sarah Pereztechcrunch.com
Introduction
ideamarket.io

Idea Futures - The Concept
mason.gmu.eduWhy Not More Excitement About Prediction Aggregation?
Scott Alexander (slatestarcodex)slatestarcodex.com

Versus Game
about.versusgame.com
Inkitt - The Reader-Powered Publisher
inkitt.com
