"(...)most academics – despite goodwill to contribute – still perceive major barriers to participation, which typically include a general lack of time to contribute, but also barriers of a technical, social and cultural nature. These encompass the lack of incentives from the perspective of a professional career, the poor recognition of one’s expertise within Wikipedia, the widespread perception of Wikipedia as a non-authoritative source. In combination with the apparent anomaly of collaborative – and often anonymous – authorship and the resulting fluidity of Wikipedia articles, these factors create an environment that significantly differs from the ones experts are accustomed to" Quote from http://blog.wellcome.ac.uk/2011/02/25/wikipedia/