More recently, forms of forward guidance with a distinct (and extreme) Odyssean character have gained some prominence in the academic debate over monetary policy in a very low interest rate environment.
Here, the main idea is the following: when the central bank is constrained in its capacity to reduce the short-term interest rate further by the lower bound on nominal rates, it could resort to communication about its intention to keep the short-term interest rate at the current level for some time in the future.