The concept of ride-sharing, exemplified by popular services Uber, Lyft and their corresponding apps, is still a fairly fresh transportation trend. Unlike regular planes, trains, and automobiles, ride-sharing apps constitute startup business models that have the potential to disrupt entire transport ecosystems—especially in regards to the already robust taxi fleets in major cities like New York. Will taxi fleets be a thing of the past, lost by the wayside like horse-drawn carriages?