Oreo's "Cookie Dough" Oreo has neither chocolate chips nor cookie dough. "Compliance" with FDA labeling requirements is achieved (says Oreo) by the use of "flavor creme" in smaller type on the packaging, plus "chocolatey" chips since the chips don't meet the definition of chocolate. (Yum!) As for marketing, Oreo is relying on "permission": if consumers receive some visual/olfactory signals that a food is what they expect, they'll apparently spot the manufacturer the rest.
H/T Zahr Said.