Hailing a taxi nowadays can feel downright old-fashioned. New ride-sharing alternatives such as Via, Bandwagon, Tripda and RideWith are springing up in major cities and at airports. At the same time, established car services like Uber and Lyft are continuing to expand to more corners of the world while adding bells and whistles like Starbucks rewards points, free beach bags and on-demand water taxis. When it comes to ride-sharing and car-pooling, apps and services are…