The Wikimedia Foundation (WMF) is the nonprofit organization that supports and operates Wikipedia and its sister free knowledge projects. Wikipedia is the world’s free knowledge resource, spanning more than 40 million articles across nearly 300 languages. Every month, more than 200,000 people edit Wikipedia and other Wikimedia projects, collectively creating and improving knowledge that is accessed by more than 1 billion unique devices every month. This all makes Wikipedia one of the most popular web properties in the world. Based in San Francisco, California, the Wikimedia Foundation is a 501(c)(3) charity that is funded primarily through donations and grants.