The patterns of collaboration between Wikipedia contributors have a direct effect on the data quality of an article, according to a new paper co-authored by a University of Arizona professor and graduate student.
via sciencedaily.com
With that said, if we are willing to take crowd-sourced content - whether tweets, Facebook updates, blogs, videos or whatever else - as valid sources for information about our world, then a collection of these same media as carefully poured over and curated as found in a Wikipedia article should be even more trusted, not less, than those bits on their own.
via readwriteweb.com