Relationship between Wikimedia and [[w:Facebook|Facebook, Inc]].
== Use of Facebook products on Wikimedia ==
=== Facebook social network ===
Some Wikimedia organizations maintain [[Facebook pages]].
Certain Wikimedia projects have policies restricting linking to Facebook.<ref>See for example, [[w:WP:FACEBOOK]]</ref>
=== HHVM ===
In November 2014, Facebook's open-source [[mw:HHVM|HHVM]] PHP interpreter tool was deployed on Wikimedia servers, in order to decrease loading time on Wikimedia projects. In September 2017, the Wikimedia Foundation adopted a plan to drop HHVM. (See [[phab:T176370]].)
== Donations ==
In December 2018, Facebook donated $1 million to the [[Wikimedia Endowment]].<ref>https://wikimediafoundation.org/news/2018/12/20/facebook-makes-1-million-gift-to-support-the-future-of-free-knowledge/</ref>
== See also ==
* [[Social media]]
* [[Wikimedians who use Facebook]]
* [[Legal/CC-BY-SA on Facebook|Legal and Community Advocacy/CC-BY-SA on Facebook]]
