Then, in 1931, Furukawa published a sensational article in the famous economics magazine jitsugyounonihon titled: " Astonishing new discovery — you can understand career and marriage compatibility through blood type" .
The idea is that will keep people interested in using the apps. But Haugen cited Facebook's own research showing that focusing on engagement also amps up the most sensational and extreme posts.
But his letter would dramatically change the world's relationship with MSG, inspiring international panic, biased science, and sensationalist journalism for the next 40 years.