TIL that in 1924, the CEOs of the world's top lightbulb manufacturers secretly met in Geneva to form the Phoebus Cartel. They intentionally colluded to reduce the life expectancy of lightbulbs from 2,500 hours down to 1,000 hours to force people to buy more.
https://en.wikipedia.org/wiki/Phoebus_cartel
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1sbp9xe/til_that_in_1924_the_ceos_of_the_worlds_top/
Today I learned
npub1e2…ff3ff
2026-04-03 22:06:03 UTC
Author Public Key
npub1e206mzksyrymrhlyrn3lgppe9fvax9e6zkvffea5pzyyy7mf8gysqff3ffSeen on
wss://relay.ditto.pubPublished at
2026-04-03 22:06:03 UTCEvent JSON
{
"id": "e5d85a50491e63d1c99b92ddd56a539b8f1fc67f116bda1d3b5e271a9d5a9d0f",
"pubkey": "ca9fad8ad020c9b1dfe41ce3f404392a59d3173a159894e7b40888427b693a09",
"created_at": 1775253963,
"kind": 1,
"tags": [
[
"t",
"todayilearned"
],
[
"t",
"til"
],
[
"proxy",
"https://noc.social/users/todayilearned/statuses/116343043745414497",
"activitypub"
],
[
"client",
"Mostr",
"31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
"wss://relay.ditto.pub"
]
],
"content": "TIL that in 1924, the CEOs of the world's top lightbulb manufacturers secretly met in Geneva to form the Phoebus Cartel. They intentionally colluded to reduce the life expectancy of lightbulbs from 2,500 hours down to 1,000 hours to force people to buy more.\n\nhttps://en.wikipedia.org/wiki/Phoebus_cartel\n#til #todayilearned\nhttps://www.reddit.com/r/todayilearned/comments/1sbp9xe/til_that_in_1924_the_ceos_of_the_worlds_top/",
"sig": "0e4dacd5ef53257d8f653da2134663a3452a6a39459780f1a88919a03f10ff8a7291ba0f9dcccd8023f07328a69c9719f0ee2d942e033eca95c627d51c981116"
}