https://www.cnbc.com/2018/02/23/facebook-demos-then-removes-violent-game-demo-from-booth-at-cpac.html

Facebook showed a violent virtual reality game demonstration in its kiosk at a conservative political conference near Washington, then removed the demo out of respect for recent school shooting victims in Florida after at least one attendee shared a video of it on Twitter.

The demonstration was part of a highlight reel used to promote its Oculus virtual reality game unit. That reel was included in Facebook's booth at the Conservative Political Action Committee event, where a user posted it on Twitter: