This already exists and ironically Uber is leading the charge. https://www.uber.com/ride/ubertaxi/ https://www.uber.com/ride/ubertaxi/ It's very, very hard to

This already exists and ironically Uber is leading the charge. https://www.uber.com/ride/ubertaxi/ https://www.uber.com/ride/ubertaxi/ It's very, very hard to get taxi monopolies onboard with something like this though. That's why Lyft/Uber had to forcefully enter the markets like they've done. The market is too corrupt for something standardized like priceline to take hold.