Thousands of stories are Boosted every month, and while we don't have a place where you can review them all -- the chances are pretty good that a lot of the stories on your home feed are Boosted! You can also see some examples in the Medium Quality Guidelines: https://help.medium.com/hc/en-us/articles/360006362473-Medium-s-Quality-Guidelines-How-real-humans-review-stories-for-Boost#h_01H7B70C3FR3S2RAZDA726CHGN