Feature flags are gaining a lot of traction and many of us are familiar with using them to roll out new features. However, there's a lot more that they can do. In this talk, I will very briefly revisit some of their standard use cases. Then we'll talk through a number of the more creative use cases that we've used them to solve. Come learn how you can leverage feature flags to help remove dead code, test the parity of new code, evaluate the cost of new technology, and more.