https://en.wikipedia.org/wiki/WP:SELFSOURCE https://en.wikipedia.org/wiki/WP:SELFSOURCE > Self-published or questionable sources may be used as sources of info

https://en.wikipedia.org/wiki/WP:SELFSOURCE https://en.wikipedia.org/wiki/WP:SELFSOURCE > Self-published or questionable sources may be used as sources of information about themselves Clifford Stoll's own Facebook page saying he's not dead can be cited on Wikipedia, even if Facebook itself (or Clifford's non-expert opinions) are unreliable