(internal quotation marks omitted). Federal Election Commission (FEC) regulations recognize the value to a campaign of at least some forms of information, stating that the term “anything of value” includes “the provision of any goods or services without charge,” such as “membership lists” and “mailing lists.” 11 C.F.R. § 100.52(d)(1). The FEC has concluded that the phrase includes a state-by-state list of activists. See Citizens for Responsibility and Ethics in Washington v. FEC, 475 F.3d 337, 338 (D.C. Cir. 2007) (describing the FEC’s findings). Likewise, polling data provided to a campaign constitutes a “contribution.” FEC Advisory Opinion 1990-12 (Strub), 1990 WL 153454 (citing 11 C.F.R. § 106.4(b)). And in the specific context of the foreign-contributions ban, the FEC has concluded that “election materials used in previous Canadian campaigns,” including “flyers, advertisements, door hangers, tri-folds, signs, and other printed material,” constitute “anything of value,” even though “the value of these materials may be nominal or difficult to ascertain.” FEC Advisory Opinion 2007-22 (Hurysz), 2007 WL 5172375, at *5. These authorities would support the view that candidate-related opposition research given to a campaign for the purpose of influencing an election could constitute a contribution to which the foreign-source ban could apply. A campaign can be assisted not only by the provision of funds, but also by the provision of derogatory information about an opponent. Political campaigns frequently conduct and pay for opposition research. A foreign entity that engaged in such research and provided resulting information to a campaign could exert a greater effect on an election, and a greater tendency to ingratiate the donor to the candidate, than a gift of money or tangible things of value. At the same time, no judicial decision has treated the voluntary provision of uncompensated opposition research or similar information as a thing of value that could amount to a contribution under campaign-finance law. Such an interpretation could have implications beyond the foreign-source ban, see 52 U.S.C. § 30116(a) (imposing monetary limits on campaign contributions), and raise First Amendment questions. Those questions could be especially difficult where the information consisted simply of the recounting of historically accurate facts. It is uncertain how courts would resolve those issues. ii. Willfulness