I suggest creating a list of special interest groups (strong pro- or anti-) paired with websites supporting their view that is a potential SOPA target. This list could be used by activists to inform each of these organizations of the risk that SOPA could effectively make it possible for their opposers to censor these websites with a false takedown request.

This would essentially reframe the issue from a piracy/copyright violation issue to a censorship issue. It would then be a censorship bill, not a jobs bill.