Wikipedia relies on the efforts of its community members to remove vandalism from articles .
A significant controversy was stirred with paid contributors to Wikipedia , which prompted the Wikimedia Foundation to send a cease and desist letter to the Wiki - PR agency .
Wikipedia relies on the efforts of Wikipedia 's community members to remove vandalism from articles .
A significant controversy was stirred with paid contributors to Wikipedia , which prompted the Wikimedia Foundation to send a cease and desist letter to the Wiki - PR agency .