Article on Vice.com. Excerpt:
"We all know that Wikipedia can be subverted – it’s an inevitability of an open platform that some people will seek to abuse it, whether to gain some advantage or just for a laugh. Fortunately, the Wikipedia community has strong mechanisms in place to deal with this, from the famous cry of  to the rigorous checks and standards put in place by its hierarchy of editors and admins.
"In recent months though, insiders have encountered something altogether more worrying: a concerted attack on the very fabric of Wikipedia by PR companies that have subverted the online encyclopaedia’s editing hierarchy to alter articles on a massive scale – perhaps tens of thousands of them. Wikipedia is the world’s most popular source of cultural, historical and scientific knowledge – if their fears are correct, it’s all-important credibility could be on the line.
"The king of these Wikipedia reputation managers is a company called Wiki-PR, who specialise in editing Wikipedia on behalf of their paying clients. The promise on their Twitter profile couldn’t be clearer: “We write it. We manage it. You never worry about Wikipedia again.“"
Is the PR Industry Buying Influence Over Wikipedia? article on Vice.com