Comment by downandout

An Uber-like app where people pay for their rides with banked miles earned by giving others rides. This would serve a large market of people that a) travel alot and can give rides in their home city (free rides when they travel) and b) people that only have part-time access to a car but may need rides when they don't have it. It may also be legal in areas where Uber can't legally operate because they charge money for rides. If it got big enough, Uber would probably buy it.