Scooters and e-bikes are all the rage in the tech world as companies push to provide easy-to-use options for last-mile transportation. We've seen hundreds of millions poured into businesses like Lime, and we've also seen others, like Boosted, fail due to an over reliance on capital. So as Scooters and e-bikes are rolled out in cities around the world, what does the future of last-mile transport look like?