› added 5 years ago

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TIL that Facebook conducted a study where they intentionally manipulated almost 700,000 users’ emotions without their knowledge or permission

Read more theguardian.com

via reddit.com

0dwkv TIL different colors of wax used for sealing letters represent the contents of the letter.
b9Gaa TIL that under guardianship laws the guardians can sell the assets and control the lives of senior citizens without their consent—and reap a profit from it.
5VywP TIL on January 21st, 232 years ago, Louis the XVI was guillotined for high treason
m1xay TIL the markup of wedding dresses is 3.9, meaning a $500 white dress costs almost $2000 if bought as a wedding dress. According to the study, even a dress sold as a "bridesmaid" dress costs 1.8 times more than a similar formal gown.
l7GKr TIL in 1907, chemist Leo Baekeland accidentally overheated a mixture of chemicals while trying to find a substitute for shellac. Instead, he created Bakelite, the first fully synthetic plastic, which transformed manufacturing and paved the way for the modern plastics and polymer industry.