At Lyon we discussed putting together a presentation to answer two broad questions.
What can we do to increase awareness and support of third party usage from the WMF?
What can we do to encourage outside organizations to contribute their work back to MediaWiki and the community?
Working presentation outline (Table of Contents) is here:
http://mwstake.org/mwstake/wiki/MediaWiki_Usage_Report_for_Wikimania_2015
Presentation slides have been uploaded to Commons here: https://commons.wikimedia.org/wiki/File:MediaWiki_User_Report.pdf
Google Doc version here:
https://docs.google.com/presentation/d/1MUDdnj9DEV7IKQbocG1samCxylDHpsISm1Uzf5x4WMc/edit?usp=sharing
P.S. I hate the title for this task. Please edit.