 In 2017, some bicycle-sharing companies such as Lime, and some scooter-only companies, like Bird, began offering dockless electric kick scooter sharing services.This segment of the micro-mobility market made large inroads in 2018, with numerous dockless electric scooters appearing in major cities worldwide, sometimes in controversial and contentious unsanctioned roll-outs, such as in San Francisco.In the meanwhile, it becomes more important for electric kick scooter riders to understand the rules when they are on the road.