Bird`s scooters have flooded the streets of major cities. But can the start-up control misbehaving riders?
(LA Times Tennis)

Scooter rental start-up Bird wants customers to know its electric gadgets are not toys. It has produced educational videos and in-app notices to remind people to ride safely. It has given away helmets to anyone who wants one. And before a customer can even unlock a scooter, he or she has to agree...