https://www.cnet.com/roadshow/news/citymapper-smart-ride-is-half-taxi-half-bus/ >Citymapper has already dipped its toes into public transport with a trial bus service ferrying East London revellers along a single weekend route. The popular navigation app is evolving that idea with Smart Ride, which mixes a bus and taxi service.  >Smart Ride travels a set route and stops along the way, like a bus. But it lets you book a seat, like a taxi.