Privacy Groups Call on FTC to Investigate Facebook SupercookiesTen consumer and privacy advocacy groups sent a letter to the U.S. Federal Trade Commission (FTC), asking it to investigate Facebook’s use of supercookies.SavePrintAlex Johnston10/3/2011|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.