General
Effective Altruism & Life Extension
Biostasis
Cryonics – Facebook group
Cryonics leaders – Facebook group
Cryonics Memes for Frozen Teens – Facebook group
Other: Online groups
Infostasis
Lifelogging as life extension – Facebook group
Lifelogging memes for life extension teens – Facebook group
Modal immortality
Modal immortality – Facebook group