diberry - 4:28 pm on Jun 23, 2013 (gmt 0)
...why are we still debating if negative SEO is possible? If inbound links can hurt a site, then inbound links can hurt a site.
You can debate just how feasible it is, how much it would cost, and how to do it successfully, but the argument that it isn't possible at all is a non-starter. The existence of disavow proves that.