> I think they're intended to use sidewalks and bike lanes, so should address concerns about cars clogging up streets. If I walked or biked in these places, I'

> I think they're intended to use sidewalks and bike lanes, so should address concerns about cars clogging up streets. If I walked or biked in these places, I'd be worried. Sharing the sidewalk with robotic wheelie-bins seems like a bad idea.