Update 1:15 p.m. PDT: Added quotes from Vertrue.
Vertrue, which operates a so-called Web loyalty program, apparently isn't as forthcoming with information as some U.S. Senators would like.
On Tuesday, the U.S. Senate's Commerce Committee issued a subpoena to Vertrue requiring that the privately held company turn over documents that committee investigators requested in May, including communications with business partners and credit card companies.
Companies like Norwalk, Conn.-based Vertue, along with WebLoyalty and Affinion, are marketers that make "cash-back" and coupon offers to consumers and charge those who enroll in their … Read more