..., 251 S.E.2d 274, 276 (1978).
The plaintiffs have two other strings to their bow. The first is promissory estoppel. If an unambiguous promise is made in circumstances calculated to induce reliance, and it does so, the promisee if hurt as a result can recover damages. See, e.g., Yardley v. Yardley, 137 Ill.App.3d 747, 754, 92 Ill.Dec. 142, 147, 484 N.E.2d 873, 878 (1985), and cases cited...Specialpraeparater v. I.M.C. Chemical Group, Inc., 725 F.2d 1140, 1142 (7th Cir. 1984). Some cases do award just the tort measure of damages in promissory estoppel cases, rather than giving the plaintiff...in promissory estoppel cases. We hesitate to rely on Bennett because there is a question whether it is a correct statement of Illinois law. Two decisions of the Illinois Supreme Court had...