Skype founders invent self-driving robot that can deliver groceries for £1
telegraph.co.uk
telegraph.co.uk
The sidewalk is for pedestrian use. It is not for businesses to use as a means of conveying goods from point A to B, and it certainly isn't a space for vehicles of any sort to operate. I am all for more efficient and novel means of delivering goods, but not if interference with the normal use of public spaces is what's at stake.