> Facebook is allowing videos showing people being decapitated to be posted and shared on its site once again.
> The social network had introduced a temporary ban in May following complaints that the clips could cause long-term psychological damage.
[...]
> Its terms and conditions now state that it will remove photos or videos that "glorify violence" in addition to other banned material, including a woman's "fully exposed breast".
So,(in 2013) they allow beheading videos so long as you're not glorifying violence.
It was weird.