.impact was a venue for communicating and collaborating on effective altruist projects. In 2017, .impact and Students for High-Impact Charity teamed up to form Rethink Charity (Barnett 2017).
Barnett, Tee (2017) .impact is now Rethink Charity, Effective Altruism Forum, May 30.
I would just merge this tag with rethink.
I don’t think this should be an active tag, but I don’t mind it having in the Wiki as a way to reference a historical organization. I’ll move to “Wiki only” (if we decide to move it back, the list of posts with this tag will be preserved).