How a 1970's Russian “Red Scare” Set M&M's Mascots Back Twenty Years!
Never reason from a price change – the case of commodity prices
Podknife - Cool Stuff Ride Home by Ride Home Media
Swirl Nation BlogSwirl Nation Blog
M&Ms the other food group
When Red M&Ms Went Missing for More Than a Decade
How the Father of Claymation Lost His Company
Why Red M&M's Disappeared for a Decade - Priceonomics
The era in which Red M & M's disappeared and the whole story of the resurrected drama brought by the fans' feelings - GIGAZINE
Time line of M&M colors : r/dataisbeautiful