Yea, this is also something that is not unique to the internet age. Academics have been (imperfectly) assigning credit to informal contributions since there h

Yea, this is also something that is not unique to the internet age. Academics have been (imperfectly) assigning credit to informal contributions since there have been citations (and before!). Footnotes like "I thank B. Johnson for this argument" have always been used.