jm Ävo*zP-)½¾D{Ou&~® Nì¸üöLI think on-chain Uber will happen. Here's a rough spec of how it could work:
https://github.com/memocash/mips/blob/gigs/mip-0007/mip-0007.md
https://whatsonchain.com/tx/3bf6e2656a1ffca820eae5bfd669379fdae70ac36bcc255eefea5c19007a8041