Anonymous comments: When is it OK to delete them?

Many brands have embraced a lesson of the social media age: It's counterproductive to delete most criticism from blogs and Facebook pages. You look thin-skinned, and you risk enflaming your critics, as Nestlé learned when it threatened to ban those who posted an altered version of its logo during a Greenpeace campaign against the chocolate maker. But companies and individual bloggers often cut comments that are profane, racist, or otherwise offensive. So read more...