An online encyclopaedia, which crowd-sources authors to input content, edit and maintain editorial style. It is a non-profit organization based in San Francisco, California and was founded by Jimmy Wales.
Wikipedia effectively marked the end to the Encyclopaedia Britannica series and Microsoft's Encarta, which were CD rom based encyclopaedias, and even books on the periphery of the reference category, such as the venerable Who's Who series, mostly through attrition and as demand fell off in favour of online solutions such as Wikipedia.
Andrew Torba, CEO of Gab, has criticized Wikipedia many times both on his personal Gab account and the company's official Twitter account for their characterization of Gab as an alt-right and white supremacist populated website. They have stated that they believe their article is edited by Antifa members.
A systemic and cognitive view on collaborative knowledge building with wikis
Ulrike Cress, Joachim Kimmerle
Can History Be Open Source? Wikipedia and the Future of the Past
Decentralization in Wikipedia Governance
Andrea Forte, Vanesa Larco, Amy Bruckman
Early Prediction of Movie Box Office Success Based on Wikipedia Activity Big Data
Márton Mestyán, Taha Yasseri, János Kertész
Exploiting Wikipedia as external knowledge for document clustering
Xiaohua Hu, Xiaodan Zhang, Caimei Lu, E.K. Park, Xiahua Zhou