 Parsell also noted the existence of inherently pernicious identities and communities that may be enabled or enhanced by SNS tools—he cites the example of apotemnophiliacs, or would-be amputees, who use such resources to create mutually supportive networks in which their self-destructive desires receive validation (2008, 48). Related concerns have been raised about “Pro-ANA” sites that provide mutually supportive networks for anorexics seeking information and tools to allow them to perpetuate disordered and self-harming identities (Giles 2006; Manders-Huits 2010).