Web sites that matched models to photographers also led dozens of women to a pair of rapists in 2011, according to Vice. "Civil court documents show that the owners of Model Mayhem knew about the first wave of rapes but failed to issue a warning to users," Vice reported last summer. Facebook, Craigslist, and Tumblr filed briefs in support of the "Model Mayhem" site, arguing that allowing women to sue them could create a new "failure to warn" liability for other web sites. But now AmiMoJo writes:The CDA traditionally exempts web sites from liability for anything their users post. Do Slashdot readers think there should ever be any exceptions?