They do paid appearances and give motivational lectures; they were contestants together on "Weakest Link"; and, with the exception of Ann B. Davis, who now lives a life of contemplative prayer in a Texas religious compound, make themselves available for documentary reflections on their lives as Bradys. (Even the home movies they shot with Reed's gift of cameras were repackaged into a TV special in 1995.)
Religious compound? Freaky.
This article is mostly about why Robert Reed is airbrushed out of everything now.