I've only seen that in Japan so far but both there and in New York I've seen the long leash where each child is clipped on with a harness. But these are for daycares and school field trips... clearly ripe for disruption. What parents need is an app like Uber for when they just need to go somewhere now...
I suspect the liability & trust problems would be insurmountable though. I'd pay up into the high hundreds per month to not have the time-suck of pick up & drop off constantly...
Perhaps parents could pool enough money together to actually keep a full-time chauffeur around somehow. Scheduling would be rather dicey though.
Found this but for at-home babysitters: https://angel.co/chaperone Don't know if telling people to "think Tinder" for the UI is the best association though.
I am not a parent, but I think we're losing some brightness in our future if we can't resolve trust issues that lie in the way of better services for parents and children. Lots to think about...
This should also help to create a lot more job openings.