General
Effective Altruism & Life Extension – Facebook group
Cryonics
Cryonics discussions – X Community
The Cryosphere – Discord
Cryonics discussions – Facebook group
Cryonics leaders – Facebook group
Cryonics Memes for Frozen Teens – Facebook group
Cryonics – Reddit
Cryonics discussions – Don’t Die app
Other: Online groups
Infostasis
Lifelogging as life extension – Facebook group
Lifelogging memes for life extension teens – Facebook group
Modal immortality
Modal immortality – Facebook group